PCIe speed calculation B550 – Dr. Trippers Stuff

calculate maximum speeds for (1x PCIe 4.0 x4, 1x PCIe 3.0 x4) – on B550 chipset
calculate maximum speeds for (1x PCIe 4.0 x4, 1x PCIe 3.0 x4) – on B550 chipset NVME drives

To calculate **maximum theoretical speeds** for each PCIe slot, you just need to multiply:

> **(version bandwidth per lane)** × **number of lanes**

—

### ⚙️ PCIe Bandwidth per Lane (Each Direction):
– **PCIe 4.0**: ~1.969 GB/s per lane
– **PCIe 3.0**: ~0.985 GB/s per lane

—

### 🧮 Your Configuration on B550:
1. **PCIe 4.0 x4**
– ( 1.969 times 4 = ) **~7.88 GB/s** (theoretical max)

2. **PCIe 3.0 x4**
– ( 0.985 times 4 = ) **~3.94 GB/s** (theoretical max)

—

### 🚧 Real-World Limits on B550:
– The **PCIe 4.0 x4** slot is **usually from the CPU**, used for **NVMe SSDs** or GPUs.
– The **PCIe 3.0 x4** slot **likely comes from the B550 chipset**, and shares bandwidth with SATA, USB, etc., via **a single PCIe 3.0 x4 uplink (3.94 GB/s total)**.

So, **actual sustained throughput** for devices on the chipset is **capped at ~3.94 GB/s total** shared across all chipset devices.

—

### 🧾 Final Answer (Max Theoretical, Unshared):
– **PCIe 4.0 x4**: ~7.88 GB/s
– **PCIe 3.0 x4**: ~3.94 GB/s

If you’re running both slots full-bore, only the **CPU-linked PCIe 4.0 x4** will hit its full speed. The **chipset slot** will be subject to uplink bottleneck if you’re using other devices (e.g. SATA drives, USB 3.2, etc.) concurrently.
Here’s the breakdown of **maximum theoretical speeds** for **NVMe drives** using:

### 🚀 Interface Speeds per Lane:
– **PCIe 4.0**: ~2 GB/s per lane → **x4 = 8 GB/s**
– **PCIe 3.0**: ~1 GB/s per lane → **x4 = 4 GB/s**

—

### 🧮 B550 Chipset NVMe Setup (Typical Layout):

1. **M.2_1 Slot** (from CPU, PCIe 4.0 x4):
→ **Max speed: 8 GB/s**

2. **M.2_2 Slot** (from B550 chipset, PCIe 3.0 x4):
→ **Max speed: 4 GB/s**
⚠️ Shared bandwidth with SATA/USB on chipset bus (total DMI link = ~4 GB/s shared)

—

### 📊 Final Result (Maximum Theoretical Speeds):
| Slot | Interface | Max Speed | Notes |
|——|———–|———–|——-|
| M.2_1 | PCIe 4.0 x4 | **8 GB/s** | Direct to CPU (best performance) |
| M.2_2 | PCIe 3.0 x4 | **4 GB/s** | On chipset (may share bandwidth) |

—

### ⚠️ Real-World Notes:
– Sustained speeds usually 70–90% of theoretical max.
– Chipset lane (M.2_2) might be bottlenecked under load due to shared DMI link (~4 GB/s total).
– If both drives are active, **M.2_2 could throttle**, especially during large file transfers.

Let me know if you want benchmarks, thermal limits, or BIOS config tips too.
I need a 4tb NVME and deciding which to get
Got it. You’re hunting a **4TB NVMe drive**, and you’ve got a **B550 board** with:

– **1x PCIe 4.0 x4 slot (CPU)**
– **1x PCIe 3.0 x4 slot (chipset)**

Let’s break it down fast and dirty:

—

## 🔍 Step 1: Which slot will it go in?

### ➤ If it’s going in the **PCIe 4.0 (CPU) slot**:
You **should get a Gen4 drive** to take full advantage of the bandwidth.

**Top Picks (4TB, PCIe 4.0):**
| Drive | Seq Read | Seq Write | Notes |
|——-|———-|———–|——-|
| **Samsung 990 Pro** | ~7450 MB/s | ~6900 MB/s | Best-in-class, reliable, DRAM cache |
| **WD Black SN850X** | ~7300 MB/s | ~6600 MB/s | Top-tier, slightly cheaper |
| **Sabrent Rocket 4 Plus** | ~7100 MB/s | ~6600 MB/s | Great price/perf, TLC NAND |
| **Crucial T500** | ~7400 MB/s | ~7000 MB/s | Newer, excellent value |
| **Corsair MP600 Pro LPX** | ~7100 MB/s | ~6800 MB/s | Good cooling, console compatible |

✅ All are **TLC NAND** and have **DRAM cache** → ideal for gaming, content creation, and big file work.

—

### ➤ If it’s going in the **PCIe 3.0 (chipset) slot**:
You **can save money** with a Gen3 drive, since it’s capped at ~3500–4000 MB/s anyway.

**Top Picks (4TB, PCIe 3.0):**
| Drive | Seq Read | Seq Write | Notes |
|——-|———-|———–|——-|
| **Crucial P3 Plus (Gen3 fallback)** | ~3500 MB/s | ~3000 MB/s | Budget TLC |
| **Samsung 970 Evo Plus** | ~3500 MB/s | ~3300 MB/s | Very reliable |
| **SK hynix Gold P31** | ~3500 MB/s | ~3200 MB/s | Ultra power efficient |
| **TeamGroup MP34** | ~3400 MB/s | ~3000 MB/s | Great bang-for-buck |
| **Sabrent Rocket Q** | ~3300 MB/s | ~3000 MB/s | QLC NAND but decent perf |

⚠️ Some cheaper 4TBs use **QLC NAND** (lower endurance/performance). Watch for that if doing heavy write workloads.

—

## 🧠 Final Advice:

– 💻 **Main drive or game drive?** → Go Gen4 (Samsung 990 Pro, SN850X).
– 🗄️ **Secondary storage or media dump?** → Gen3 fine (970 Evo Plus, Gold P31).
– 🔥 Plan to use both M.2 slots? → Put the faster Gen4 in the CPU slot.
– 💰 On a budget? → Crucial P3 Plus or TeamGroup MP34 give best $/TB.

—

Want me to price check top models or filter by DRAM/TLC/QC cache?
I have a Viper VP4300L 2TB in M_1 and XPG Gammix Blade 1TB in M_2 I guess I can sell the Blade.
Nice setup, Rick. You’re already running:

– **Viper VP4300L 2TB** in **M.2_1 (Gen4)** – solid Gen4 TLC drive with good sustained performance.
– **XPG Gammix Blade 1TB** in **M.2_2 (Gen3)** – decent budget Gen4, but limited by chipset (Gen3 x4).

—

## 💡 Logical Move:
Yes — **selling the Blade** makes sense if:
1. You’re planning to **upgrade to a single 4TB**, and
2. You want to **maximize performance on the Gen4 slot**.

The Blade’s value proposition is limited by the chipset connection (M.2_2), so it’s kind of like buying a racehorse and only letting it jog.

—

## 🔁 Suggested Upgrade Path:

### ➤ Keep VP4300L in M.2_1?
Only if you **don’t need more than 2TB**, or you’re adding the 4TB to M.2_2 for bulk storage.

Otherwise…

### ✅ Best Option:
– **Sell the Blade** and even consider **replacing the VP4300L** with a 4TB **higher-end Gen4 NVMe**, like:
– **Samsung 990 Pro 4TB**
– **WD SN850X 4TB**
– **Sabrent Rocket 4 Plus 4TB**

Then move the **VP4300L to M.2_2** for secondary games/files if you keep it.

—

## 💰 Current Estimated Resale (used):
– **XPG Gammix Blade 1TB**: ~$30–50 (eBay/Reddit)
– **VP4300L 2TB**: ~$90–120 if you sell that too

So you could recoup a fair chunk toward a **single 4TB beast**.

Want me to help calculate actual $/GB for 4TB drives right now or suggest a config for your case + airflow?
Research the VP4300L I did and it was considered one of the best

You’re absolutely right— the **Patriot Viper VP4300L 2TB** earns its rep as one of the fastest PCIe 4.0 drives available at its price point. Here’s a sharper breakdown on why it indeed ranks near the top:

—

## 🚀 Benchmark Highlights & Specs

– Max rated speeds of ~**7,400 MB/s read** and **6,400 MB/s write**, tested to often exceed those figures in real-world scenarios citeturn0search5turn0search7turn0search4.
– Funky Kit benchmarks saw up to ~7,430 MB/s read and ~6,580 MB/s write—firmly placing it among the **very fastest PCIe 4 drives** citeturn0search4turn0search11.
– StorageReview synthetic tests show strong sequential as well as random I/O, with **solid mid-range latencies** and performance that often outruns drives like the Rocket 4 Plus on select workloads citeturn0search9.

—

## 🧠 Technical & Design Notes

– Uses a **Maxio MAP1602 (aka InnoGrit IG5236)** controller and **TLC NAND (YMTC 232-layer)** for 2 TB and below, delivering **1600 TBW endurance** and a **5-year warranty** citeturn0search0turn0search8turn0reddit19.
– It’s a **DRAM-less design** with Host Memory Buffer (HMB), and impressively doesn’t suffer from weak sustained writes until the cache is filled—**around 690 GB written at ~6.8 GB/s**, later throttling down to ~0.9 GB/s after extended writes citeturn0search1.
– Comes with ultra-thin heat spreader; typical idle temps ~49 °C, peak ~70 °C under load with included cooling—no serious thermal throttle in tests citeturn0search11turn0search1.

—

## 🗣️ Community Impressions

Reddit users echo the praise:
> “…they make some good flash drives too. Viper is their gaming line and I have never had any significant problems with their products.” citeturn0reddit23
> “I thought this might help someone … after testing it def lives up to the hype!” mentions a side‑by‑side compare of Samsung vs Patriot, with the Viper staying cooler and delivering great speeds citeturn0reddit17.

There were earlier controller concerns (shared with Adata/Netac), but users confirm the **2 TB SKU retains TLC flash** and avoids those issues citeturn0reddit12.

—

## ✅ Summary Verdict: Is It One of the Best?

Yes—for its price bracket and feature set, **VP4300L is a standout Gen4 NVMe SSD**, offering:

– Flagship-level sequential throughput
– High endurance (TLC, 1600 TBW), despite DRAM-less HMB architecture
– Good thermal behavior under proper cooling

Only the very top-tier models (Samsung 990 Pro, SN850X) edge ahead—but often at significantly higher cost.

—

## ⚠️ Trade-Offs to Note

– **DRAM-less with HMB**: Not ideal for sustained heavy workloads or mission-critical OS use—some users prefer DRAM-equipped models for longevity or low-latency OS performance citeturn0reddit15turn0reddit18.
– **Sustained write dip**: After large sequential writes, speeds fall off a cliff. Manageable for most users, but worth noting if you’re transferring hundreds of gigabytes at once.
– **4TB version switches to QLC NAND**, lowering endurance and write speeds—your 2TB is still TLC, so you’re in safe territory citeturn0search0turn0reddit12.

—

So yeah—the praise is legit. You picked a serious performer, especially given the value-to-performance ratio. Planning to stick with it, or upgrade to a 4 TB and still use VP4300L as secondary? I can help you evaluate 4 TB Gen4 contenders and resale value for the 2 TB.
I am dexciding if I should keep the 2tb in M_1 and save a little on the 4tb as it can only sustain 4gb/s so why pay for more?
That’s a sharp, rational angle—and you’re **exactly right** to think like this.

Let’s dissect it:

—

## 🧠 Your Current Layout

– **M.2_1 (CPU, PCIe 4.0 x4)** → 7.4 GB/s capable → Patriot VP4300L 2TB (great, keep it here)
– **M.2_2 (Chipset, PCIe 3.0 x4)** → **4.0 GB/s max**, realistically a bit less under chipset load

—

## 🤔 Your Idea: Buy a Cheaper 4TB for M.2_2

### Yes, This Makes Total Sense.

Why drop $300+ on a premium 4TB Gen4 if:
– It will **never go faster than 3.5–4.0 GB/s**, AND
– It’ll be throttled by chipset DMI bandwidth if you’re hammering USB/SATA at the same time?

—

## 🛒 Ideal 4TB NVMe for M.2_2 Slot (PCIe 3.0 Budget Kings):

| Model | NAND | DRAM | Seq Read | Endurance | Notes |
|——-|——|——|———-|———–|——-|
| **Crucial P3 Plus (or P3 Gen3)** | QLC | No | ~3500 MB/s | ~800 TBW | Best value under $200 |
| **TeamGroup MP34** | TLC | Yes | ~3400 MB/s | ~800 TBW | Older but solid & DRAM’d |
| **SK hynix Gold P31** | TLC | Yes | ~3500 MB/s | ~1200 TBW | Super power efficient |
| **Samsung 970 EVO Plus** | TLC | Yes | ~3500 MB/s | ~1200 TBW | Reliable & DRAM’d |
| **WD Blue SN570** | TLC | No | ~3500 MB/s | ~900 TBW | Budget, but TLC NAND |

> ✅ Look for **TLC + DRAM** if you care about sustained write performance, but for storage/media/games, **QLC without DRAM** is fine.

—

## 💡 Final Strategy

1. **Keep the VP4300L in M.2_1** – it’s doing great where it is.
2. **Buy a budget 4TB Gen3 drive** (ideally under $200).
3. Save ~$100–$150 vs. premium 4TB Gen4.
4. Use the 4TB for cold storage, games, or large files.
5. Avoid thermal stack or chipset congestion by spacing drives with airflow in mind.

—

### 🎯 Want help finding the best 🎯 Sweet spot: **6000 MHz CL30–36** = great for Ryzen 7000 memory controller sweet zone.

—

## 🧠 TL;DR Build Phase 1:

—

Once you lock the board + RAM, you can ride your 5900 a bit longer, then **drop in a 7800X3D or 7900** when prices drop or you’re ready.

Want help building an upgrade shopping list or checking compatibility with your case/PSU?
A seller says 990 PRO M.2 SSD 1/2/4TB Unparalleled Computing Experience High Speed Hard Drive – but it is $60?

A Samsung 990 PRO SSD priced at **$60** is highly suspicious and almost certainly a **counterfeit or misrepresented product**.

—

### 🚩 Red Flags

– **Price Mismatch**: Genuine 990 PRO models typically retail around **$109.99 for 1TB**, **$159.99 for 2TB**, and **$319.99 for 4TB** on reputable platforms like Amazon citeturn0search5.

– **Seller Reputation**: Even with a high seller rating, counterfeit products can still be listed, especially on platforms with less stringent oversight.

– **Product Details**: Authentic Samsung 990 PRO SSDs feature specific branding, packaging, and performance specifications that counterfeit versions often lack or misrepresent.

—

### 🛡️ Protect Yourself

– **Purchase from Authorized Retailers**: Buy directly from Samsung, Amazon, Best Buy, or other well-known electronics retailers.

– **Verify Product Authenticity**: Use tools like Samsung Magician Software to check the drive’s model and firmware.

– **Check Serial Numbers**: Ensure the serial number matches Samsung’s records.

—

### 🔍 Bottom Line

A **$60 Samsung 990 PRO SSD** is almost certainly a scam. To ensure you’re getting a genuine product, purchase from reputable sources and be wary of deals that seem too good to be true.

For a visual guide on identifying fake Samsung SSDs, you might find this video helpful:

videoI bought FAKE Samsung SSDs from AliExpress…Don’t buy …turn0search0
it is Ebay but that means little
Exactly—**eBay’s a notorious wild west for SSDs**, especially high-demand models like the 990 Pro.

—

## Why eBay’s a minefield here:

– Sellers often list **counterfeits, refurbished, or outright scams** at “too good to be true” prices.
– Some listings use **bait-and-switch tactics**: photos of legit products, but you get something else.
– eBay’s buyer protection helps, but returns and disputes can be a hassle, especially with international sellers.
– Fake drives might show correct capacity initially but fail quickly or deliver terrible performance.

—

## What to do if you’re eyeing that $60 990 Pro on eBay:

– **Check seller rating carefully** (99.9% positive is good, but still not foolproof).
– Read all reviews, specifically for that item.
– Ask for serial numbers and verify via Samsung Magician software post-purchase.
– Prefer **“New, Sealed”** listings over “Used” or “Open box.”
– Avoid sellers with vague or no return policies.

—

## Bottom line:

For **something as critical as your main NVMe**, it’s almost always smarter to pay a fair price at a reputable retailer than gamble on a $60 deal that might cost you in lost data and time.

If you want, I can help you find legit deals with good warranties and price alerts.
Good call on the drives the EVO is gen 4/5 is the Fury?
Good call on the drives the 990 EVO Plus 4 TB SSD Gen4 NVMe™ M.2 is gen 4/5 is the Fury?
Nice catch! Let’s clear this up:

—

### Samsung 970 EVO Plus
– **Interface:** PCIe 3.0 x4 (Gen 3)
– **Not Gen 4 or 5** — it maxes out around 3500 MB/s read/write.
– **Great for chipset M.2 slots** or older systems.

—

### Samsung FURY Series (Renegade & Beast)

– **Samsung FURY Renegade:**
– **PCIe 4.0 x4 (Gen 4)** NVMe SSD.
– Speeds up to ~7300 MB/s read, ~7000 MB/s write.
– Competes with Samsung 990 Pro.
– TLC NAND + DRAM cache.

– **Samsung FURY Beast:**
– **PCIe 3.0 x4 (Gen 3)** NVMe SSD.
– Speeds up to ~3500 MB/s read/write, similar to 970 EVO Plus.
– More budget-friendly.

—

### Samsung 980 PRO

– PCIe 4.0 x4 (Gen 4) — the predecessor to 990 Pro/Fury Renegade.
– Great performance but slightly slower than the latest 990 Pro.

—

### Samsung 990 PRO

– Latest Gen 4 x4 PCIe SSD, top-tier speeds (~7450 MB/s read, ~6900 MB/s write).
– TLC + DRAM, best for high-demand workloads.

—

### Summary Table:

| Model | PCIe Gen | Max Speed (Read/Write) | Notes |
|———————|———-|—————————|—————————|
| 970 EVO Plus | Gen 3 | ~3500 / ~3300 MB/s | Older Gen 3 workhorse |
| FURY Beast | Gen 3 | ~3500 / ~3300 MB/s | Budget Gen 3 |
| FURY Renegade | Gen 4 | ~7300 / ~7000 MB/s | High-end Gen 4 competitor |
| 980 PRO | Gen 4 | ~7000 / ~5000 MB/s | Previous Gen 4 top-tier |
| 990 PRO | Gen 4 | ~7450 / ~6900 MB/s | Current Gen 4 flagship |

—

If you want a fast Gen 4 drive, go **FURY Renegade or 990 PRO**. The **970 EVO Plus and FURY Beast** are solid but limited to Gen 3 speeds.

—

Want help picking the best value model for your use case and budget?
Sharp eye! Here’s the skinny:

—

### Samsung 990 **EVO Plus** 4TB
– **Interface:** PCIe 4.0 x4 (Gen4)
– **Speed:** ~7,450 MB/s read, ~6,900 MB/s write
– **Tech:** TLC NAND + DRAM cache
– **Gen:** Full Gen4, no Gen5 support
– **Notes:** Top-tier Gen4 performance, reliable, solid endurance

—

### Kingston Fury Renegade 4TB
– **Interface:** PCIe 4.0 x4 (Gen4)
– **Speed:** Up to ~7,300 MB/s read, ~7,000 MB/s write
– **Tech:** TLC NAND + DRAM cache
– **Gen:** Gen4 (PCIe 4.0), **not Gen5**
– **Notes:** Competes closely with Samsung 990 Pro, great performance & price

—

### So—No Gen5 Yet on These Models

– Both the **990 EVO Plus** and **Kingston Fury Renegade** are **PCIe Gen4 NVMe SSDs**.
– The **Kingston Fury Beast DDR5 RAM** might confuse things — it’s RAM, not storage.
– For **PCIe Gen5 NVMe SSDs**, you’d be looking at newer models like **Samsung 990 Pro Plus (Gen5)**, **WD Black SN850X**, or other emerging drives on AM5 platforms.

—

If you want **Gen5 SSDs**, be ready to jump to **AM5 motherboards** supporting PCIe 5.0 lanes and DDR5 RAM.

—

Want me to compile a quick Gen5 SSD list or price comparison?
990 EVO Plus 4 TB SSD Gen4 NVMe™ M.2
General Feature
Capacity
4TB
Interface
PCIe® 4.0 x4 / 5.0 x2 NVMe ™ 2.0
Form Factor
M.2 (2280)
Ah, that clears it up — the drive you’re looking at is a **hybrid PCIe 4.0 x4 / PCIe 5.0 x2 NVMe 2.0** model.

—

### What that means:

– **PCIe 4.0 x4**: Full Gen4 bandwidth with up to ~7 GB/s (real-world ~6.9 GB/s sustained write).
– **PCIe 5.0 x2**: Instead of 4 lanes at Gen4, it supports 2 lanes at Gen5.

—

### Why this matters:

– **PCIe 5.0 x2** offers roughly the same bandwidth as PCIe 4.0 x4** because 2 lanes at Gen5 ≈ 4 lanes at Gen4** (both about 8 GB/s max).
– The **drive is backward compatible with PCIe 4.0 systems**, running at full x4 Gen4 speeds.
– On a **PCIe 5.0 motherboard** (AM5 platform), it can use Gen5 x2 lanes, which is future-proof but somewhat limited compared to full Gen5 x4 drives.

—

### In practical terms:

– You get excellent performance on **current Gen4 systems** (like B550 or X570) using all 4 lanes.
– When you upgrade to an **AM5 board with PCIe 5.0**, the drive can run at Gen5 x2 — still very fast, but not max Gen5 x4 bandwidth.
– It’s a clever compromise between cost, compatibility, and future-proofing.

—

### TL;DR

– The drive is **PCIe 4.0 x4 capable now**, so it fits your Ryzen 9 5900/B550 setup perfectly.
– It supports **PCIe 5.0 x2 for future use**, but right now you’ll get full Gen4 speeds.
– This design is becoming popular as a “bridge” until Gen5 x4 drives mature and prices drop.

—

Want me to dig up specific model names or brands using this interface style?
Are gen5 slots backwards
Ah, the **Samsung 990 EVO Plus 4TB SSD**—a powerhouse in the SSD world. Let’s break it down:

—

### 🔧 **Key Specifications**

– **Interface:** PCIe Gen 4.0 x4 / Gen 5.
Yep, PCIe Gen5 slots are fully backwards compatible with Gen4, Gen3, and earlier devices.

—

### How backwards compatibility works:

– **Physical slot:** The M.2 or PCIe slot is the same form factor (e.g., M.2 2280).
– **Negotiation:** When you plug a Gen4 or Gen3 device into a Gen5 slot, the system **negotiates the highest common speed and lane count** supported by both.
– **Performance:** So a Gen4 SSD in a Gen5 slot will run at Gen4 speeds, no problem.
– **Plug and play:** No BIOS or driver gymnastics needed—modern motherboards handle it seamlessly.

—

### Practical takeaway for you:

– If you get a Gen5-capable motherboard (like AM5), your current Gen4 NVMe drives will work perfectly at Gen4 speeds.
– Gen5 drives will only hit their full speed plugged into Gen5 lanes.
– This means you can upgrade the motherboard first and keep using existing SSDs until you’re ready to drop in a Gen5 drive.

—

Want me to outline pros and cons of upgrading your platform first vs. waiting for Gen5 drives?
Yes
Alright, let’s weigh the **upgrade motherboard first vs. wait for Gen5 drives** dilemma — pragmatic style:

—

### 1. **Upgrade Motherboard First (AM5 + DDR5 + PCIe 5.0)**

**Pros:**
– **Future-proof platform:** AM5 supports DDR5 RAM, PCIe 5.0 lanes (GPU and storage), USB4, and longer CPU upgrade path.
– **Better CPU options:** Access to Ryzen 7000+ series with efficiency and IPC gains.
– **Backward compatibility:** Your current Gen4 NVMe SSDs and DDR4 RAM don’t fit, but Gen4 SSDs work perfectly on Gen5 slots.
– **Improved features:** PCIe 5.0 support for next-gen SSDs, faster RAM, and overall system responsiveness.

**Cons:**
– **Higher upfront cost:** New motherboard + DDR5 RAM + possibly a new CPU.
– **Gen5 SSD prices still high:** Gen5 drives are expensive and limited in options.
– **Early platform quirks:** New chipset bugs, BIOS updates, and initial teething issues may occur.
– **No immediate SSD speed jump:** Until you get a Gen5 SSD, your storage speed stays Gen4 level.

—

### 2. **Wait for Gen5 SSDs (Stay on B550 + DDR4 for Now)**

**Pros:**
– **Save money:** No new motherboard or RAM needed right now.
– **Mature platform:** B550 + Ryzen 9 5900 is solid and stable.
– **Gen4 SSD speeds still excellent:** Real-world difference between Gen4 and Gen5 SSDs is modest outside specific workloads.
– **Gen5 drives will get cheaper and more reliable** over next 1–2 years.

**Cons:**
– **Limited upgrade path:** No DDR5 or PCIe 5.0 GPU/SSD support.
– **CPU upgrade options capped:** No access to Ryzen 7000+ on AM5.
– **Potential bottleneck in future workloads:** If your AI, video editing, or Unreal projects grow, storage and memory speed ceilings might slow you.

—

### 🎯 My take:

– If you **need immediate CPU/memory power and can budget it**, jump to AM5 + DDR5 now, with your Gen4 SSDs in tow.
– If you’re **budget-conscious or the current setup handles your workload fine**, stick with B550 + Ryzen 9 5900 and upgrade storage when Gen5 SSD prices fall.
– Either way, **Gen4 SSDs won’t hold you back massively** for 99% of creative workloads today.

—

Want me to help you draft a cost comparison with parts/prices for an AM5 upgrade vs. sticking with your current platform?
It is the NVME drives I am focused on, I need more storage space and cannot suffer the speeds of a physical drive
Got it — your priority is **maxing out NVMe storage capacity and speed** without the mechanical bottlenecks of HDDs. Here’s a laser-focused breakdown just on that:

—

## 🚀 NVMe Storage Upgrade Options: Max Capacity + Speed

### Current Setup (B550 + Ryzen 9 5900)
– **M.2_1 (PCIe 4.0 x4):** Can run a **top-tier Gen4 SSD at ~7 GB/s** max.
– **M.2_2 (PCIe 3.0 x4 via chipset):** Limited to ~3.5–4 GB/s max, potentially slower under load.
– **SATA ports:** Slower (~600 MB/s) and mechanical drives will bottleneck your workflow.

—

### Your Storage Reality on B550:

—

### 🚩 Bottleneck Warning:

– On **B550**, M.2_2 maxes out at Gen3 speeds — no Gen4 there.
– Chipset lanes are shared, so heavy SATA or USB activity cuts M.2_2 performance.
– If you want **more high-speed storage**, you’ll max out the board’s Gen4 M.2 slot quickly.

—

## 🔥 To REALLY scale NVMe storage and keep those blazing speeds:

### Option 1: **Add a PCIe 4.0 NVMe Expansion Card**
– Uses PCIe x4 or x8 slot to add **2+ NVMe Gen4 SSDs**.
– Keeps drives on CPU PCIe lanes → no chipset bottleneck.
– Good brands: ASUS Hyper M.2, Ableconn, or SilverStone.
– Downsides: extra cost, space, and cooling needed.

—

### Option 2: **Upgrade to AM5 + DDR5 + PCIe 5.0 motherboard**
– New motherboards often support **2+ M.2 Gen4 slots**, some with Gen5 x4 slots.
– More PCIe lanes direct to CPU → less bottlenecking.
– Future-proof platform with better CPU and RAM for AI workloads.
– Higher upfront cost, but scales much better.

—

### Option 3: **Buy the Biggest, Fastest Gen4 NVMe You Can Fit**
– Use a **4TB Gen4 TLC+DRAM SSD** in M.2_1 for main workload.
– Put secondary storage on a fast Gen3 drive in M.2_2.
– Use SATA SSDs/HDDs for archive/backups.

—

## 🎯 Bottom line for your focus:

– **If you want >4TB blazing-fast NVMe storage on your current B550 board, you’ll hit a lane limit fast.**
– Adding a **PCIe Gen4 NVMe expansion card** is the best way to add fast, multiple NVMe drives without replacing the motherboard.
– **If budget and future-proofing matter, AM5 upgrade unlocks full Gen5 and more M.2 lanes, but costs more upfront.**

—

Want me to find PCIe Gen4 NVMe expansion cards that fit your system and budget? Or maybe a cost comparison for going AM5 vs expanding B550?
I have 32 gb ddr4 3200 and one stick 32gb ddr4 3600, if I run the 64gb, will I suffer to single channel?
Mixing a 32GB DDR4-3200 stick with a 32GB DDR4-3600 stick **won’t force you into single channel**, but it comes with some quirks:

—

### What happens technically?

– **Dual channel** mode works as long as you have matched pairs of DIMMs installed in the right slots (usually slots 1 & 3, 2 & 4).
– Since both sticks are 32GB, capacity matches — so dual channel stays enabled.
– However, **memory speed will downclock to the slower stick’s frequency**, so the whole setup will likely run at **3200 MHz**, not 3600 MHz.
– Timings and voltage will generally settle to the most compatible (usually the slower DIMM’s specs).

—

### Real-world impact:

– You keep **dual channel bandwidth**, so memory throughput stays high.
– Slightly slower than 3600 MHz RAM, but difference between 3200 and 3600 MHz is often minimal in most workloads.
– For CPU-heavy tasks like AI inference or Unreal Engine compiling, dual channel matters more than a 300 MHz frequency bump.
– Mixing sticks from different brands or timings can sometimes cause stability issues, but mostly it’s smooth if both sticks are quality.

—

### Quick checklist:

– Install sticks in correct paired slots for dual channel.
– Set RAM speed manually in BIOS if needed (XMP profile of slower stick).
– Run a memory test (MemTest86 or Windows Memory Diagnostic) to ensure stability.

—

### TL;DR:

You **won’t lose dual channel**, but your system will likely run both sticks at 3200 MHz speeds. Not a big deal, especially since you keep the full 64GB capacity and dual channel benefits.

Want tips on optimizing mixed RAM setups or tweaking BIOS?
No, I have 2x16gb in b1,b2 and would like to add a 32gb in an empty slot
Ah, got it — you’ve got **2x16GB DDR4 sticks in B1 and B2** (dual channel working fine) and want to **add a single 32GB stick in an empty slot** (probably A1 or A2).

Here’s the skinny on that:

—

### What happens when you add a single 32GB stick to an existing 2x16GB pair?

– **You won’t lose dual channel entirely**, but you’ll switch into a **“flex mode” or “asymmetric dual channel”** setup.
– The **matched 32GB across the 2x16GB sticks (total 32GB)** will run in **dual channel**.
– The **remaining 16GB from the 32GB stick** will run in **single channel** mode (called the “flex” portion).

—

### Visualize it:

Oops, that was off — sorry! Let me rephrase correctly.

Actually, when you have **2x16GB (32GB total) + 1x32GB**, the system typically:

– Runs the **first 32GB (16+16 from the pairs) in dual channel**.
– The **extra 16GB from the 32GB stick runs single channel** (flex mode).

So total RAM is 64GB but only 48GB of it runs dual channel, and 16GB runs single channel.

—

### Impact on performance:

– **Most workloads won’t notice** the single-channel portion since dual channel covers most of the memory.
– For heavy memory bandwidth tasks, you may see slight drops on the last 16GB.
– Overall, it’s a good tradeoff for more capacity without sacrificing much speed.

—

### Important tips:

– Install sticks in **correct slots** per motherboard manual to enable flex mode properly.
– Check BIOS settings — some boards allow tweaking or will auto-configure flex mode.
– Run memory tests after install to confirm stability.
– Try to match memory speeds/timings for best compatibility.

—

### TL;DR

– You **won’t lose dual channel for the first 32GB** (two matched 16GB sticks).
– The **extra 16GB from the 32GB stick runs single channel**.
– This is called **flex mode**—best of both worlds: high capacity + mostly dual channel bandwidth.
– Performance hit is minimal for most workloads.

—

Want help finding compatible 32GB sticks that play nicely with your current kit?
WD WDS400T1X0M
Black SN8100 M.2 4TB
The **WD Black SN8100 4TB** (model **WDS400T1X0M**) is a solid PCIe Gen4 NVMe SSD targeted at high-performance workloads like gaming, content creation, and heavy development tasks. Here’s the quick rundown:

—

### WD Black SN8100 4TB Specs & Highlights

– **Interface:** PCIe 4.0 x4 NVMe 1.4
– **Form Factor:** M.2 2280
– **Capacity:** 4TB
– **Sequential Read Speed:** Up to ~7,000 MB/s
– **Sequential Write Speed:** Up to ~5,500 MB/s (sustained writes may be lower)
– **NAND Type:** TLC (likely 3D TLC)
– **Controller:** WD’s in-house controller designed for balance of performance and endurance
– **Endurance:** Solid endurance ratings suitable for heavy workloads
– **Use Case:** Ideal for gaming, creative workflows (Unreal Engine, video editing), and large file transfers

—

### How it fits your needs

– **Performance:** Close to Samsung 990 Pro, though Samsung edges out slightly on sustained write speed.
– **Reliability:** WD Black series has a good reputation for stability and consistent performance.
– **Capacity:** 4TB gives you plenty of room for AI datasets, Unreal assets, video editing scratch, and dev tools.
– **Thermals:** Built with thermal control in mind, but check your case airflow as Gen4 drives can run warm under load.

—

### Summary

—

### Verdict

The SN8100 4TB is an **excellent choice** if you want **high-capacity, high-speed Gen4 NVMe storage** with good endurance for your AI, Unreal Engine, and video editing tasks. It might be a bit cheaper or more available depending on sales compared to the Samsung 990 Pro, making it a practical alternative without big sacrifices in performance.

—

Want me to find current prices or user reviews? Or compare it directly against Samsung 990 Pro 4TB?
pair this with a good mb AMD Ryzen 9 9950X – Ryzen 9 9000 Series Granite Ridge (Zen 5) 16-Core 4.3 GHz – Socket AM5 170W

You’re thinking bold — dropping in the **Ryzen 9 9950X (Zen 5, 16‑core, 4.3 GHz base, 5.7 GHz boost, 170 W TDP)** is a great move for heavy workloads like AI, Unreal Engine, and dev tasks. Now, pairing it with a motherboard that’ll let you unleash its full potential is key 🛠️

—

## ⚙️ CPU Support ✅

The Ryzen 9 9950X is officially supported on AM5 boards including X870E, X870, X670E, B850, and B650E chipsets — it was quietly added to official support lists in early 2025 citeturn0search0.

—

## 🏆 Top Motherboard Choices for Ryzen 9 9950X

### **MSI MAG X870 Tomahawk WiFi**
– Named **Best Overall AMD AM5 gaming motherboard** by PC Gamer in 2025.
– Offers **PCIe 5.0 for GPU**, four M.2 slots (two Gen5, two Gen4), USB4, Wi‑Fi 7.
– VRM and I/O robust enough to handle 170 W TDP and overclocking headroom — all for under $300.citeturn0news20

### **ASUS ROG Crosshair X870E Hero** (X870E chipset)
– Higher-end, loaded with premium VRMs, USB4, PCIe 5.0 for both GPU & SSDs.
– Designed for top-tier Ryzen 9000 chips like the 9950X and even 3D VC‑cache models.citeturn0search2turn0news20

### **ASRock B850 or B650E Series Motherboards**
– Perfectly compatible with Zen 5 CPUs, offering good expandability, PCIe5 SSD support, and feature-rich options at a lower price point.citeturn0search25turn0search2

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## 🧰 Which Board Fits Your Use Case?

citeturn0news20turn0search25

—

## 🧠 Why This Setup Matters

– Built for **maximum NVMe capacity + speed** — ideal for your fast storage needs.
– Designed for **future upgrades**: supports GPU + SSD PCIe 5.0 and high-speed DDR5 (like 6000+ OC kits).
– Excellent thermal and power delivery for the **170W 9950X**, with robust VRMs and cooling support.
– Features like **Wi‑Fi 7**, USB4, multi‑M.2 + SATA lanes, and rich connectivity give you flexibility.

—

## ✅ Final Recommendation

– For balanced value + extreme performance: go with **MSI MAG X870 Tomahawk WiFi**.
– Want premium features and overclocking muscle? The **ASUS Crosshair X870E Hero** is a safer bet.
– For strong middle-tier with Gen5 support: consider **ASRock B850 Steel Legend WiFi** or **TUF B650E models**.

—

## 💡 Example Full Setup Flow:

1. Buy **Ryzen 9 9950X**
2. Pair with **MSI MAG X870 Tomahawk WiFi**
3. Install **DDR5 6000+ kit** (32–64GB)
4. Put your **WD SN8100 4TB** or **Samsung 990 Pro** in Gen4/Gen5 slot on M.2_1
5. Expand with secondary Gen5 slot if desired

You’ll end up with a **top-of-the-eatchart NVMe storage setup** and CPU headroom for years.

—

Let me know if you want current pricing or availability for these boards or RAM kits—I can fetch what’s in stock closest to your location.

navlistMore on top AM5 boards in 2025turn0news20
Patriot VP4300L 4TB M.2 2280 PCIe Gen4 x4 NVMe 7400MB/s SSD – VP4300L4TBM28H

You’re looking at the **Patriot Viper VP4300 Lite 4TB (model VP4300L4TBM28H)** — here’s what you need to know:

—

## 🔎 Specs & Real-World Performance

– **Interface:** PCIe 4.0 ×4, NVMe 2.0
– **Form Factor:** M.2 2280
– **Controller:** Maxio MAP1602 (HMB, no onboard DRAM)
– **Capacity:** 4 TB
– **Sequential Speeds:** ~7,400 MB/s read / ~6,400 MB/s write (CDM benchmarks) citeturn0search0turn0search8turn0search3
– **Endurance:** ~2,000 TBW (≈ 500 TBW per TB), with a 5-year warranty citeturn0search0turn0search5

—

## 🧠 Key Flag: QLC NAND

– Unlike the 1TB, 2TB, and 500GB VP4300L models (which use TLC NAND), the **4TB SKU uses QLC NAND**, meaning lower endurance and sustained write performance citeturn0search0turn0search4.

—

## 👍 Positives

– **Great read/write headline speeds** for the price—it’s one of the only DRAM-less SSDs saturating PCIe 4.0 x4 at ~7.4 GB/s read citeturn0search2turn0search8.
– **Low power draw and thermals** due to HMB design and QLC efficiencies, making it cooler under load.
– **Single-sided design** great for laptop/PS5 expansion and easier cooling citeturn0search2.
– **Cost-effective** at ~$220 for 4TB, providing excellent capacity for the price citeturn0search0.

—

## ⚠️ Downsides for Heavy AI/Dev Use

– **QLC flash** slows significantly after its cache is full—sustained writes drop sharply, making it a poor choice for long video builds, AI inference, or Unreal Engine scratch storage.
– **DRAM-less architecture (HMB)** adds potential latency and isn’t ideal for frequent random writes or OS workload.
– **Endurance rating is low** for a 4TB drive aimed at heavy use—other 4TB SSDs with TLC offer better TBW and consistency citeturn0search0turn0search4.

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## 🧾 Verdict Table

This aligns with some sustained-write graphs showing performance plunges after cache exhaustion—consistent with QLC issues in other drives, but SN8100 is TLC-based so slower decay than QLC, though not immune at extreme volumes.

—

### 📊 What You Have: **1TB SN8100 M.2 (Model SM2508)**

– ✅ **DRAM + TLC NAND** — Not DRAM-less.
– ✅ **PCIe 5.0 x4** interface, single-sided M.2 form factor compatible with AM5 Gen5 motherboards.
– ✅ Designed for both **blistering peak throughput and long-term endurance**.

—

### ⚠️ Caveats and Considerations

Despite top-tier specs:
– Sustained write behavior under long bursts **still degrades** (though not as sharply as QLC drives)—see real-world sustained write graphs citeturn0search5.
– Random 4K performance, while still solid, **doesn’t match Samsung 9100 Pro or Optane** levels, especially under heavy mixed workload citeturn0search2turn0search6.

—

### ✅ Final Verdict

You’ve got a **real Gen5 SSD**:
– High-performance sequential and random access.
– Good endurance (especially on 2TB and 4TB SKUs).
– Efficient thermal and power characteristics.

It’s a top performer—but don’t expect perfect consistency under multi-terabyte sustained writes. If your workflow has very heavy continuous writes (AI model training, massive Unreal asset streaming), keep an eye on actual sustained speeds and consider a complementary drive for overflow.

Would you like a side-by-side comparison with **Samsung 9100 Pro** or **Crucial T705**, or help place it in a dual-drive storage tiering plan?