Western Digital WD_BLACK SN8100
The PCIe 5.0 x4 interface delivers 14900 MB/s reads and 11000 MB/s writes, with 2400K random write IOPS, making load times short for demanding games. The optional heatsink and WD_BLACK Dashboard with Game Mode 2.0 help maintain performance during intense sessions. Best for gamers and content creators who need a fast 1TB drive with hardware encryption and a 600 TBW endurance rating.
Snapshot
The 30-Second Version
The WD_BLACK SN8100 is the fastest Gen5 NVMe drive you can buy right now, and it actually holds its speed when pushed hard. If you've got a PCIe 5.0 board and the budget, this is the one to get.
Pros & Cons
Pros
- Fastest Gen5 NVMe SSD we've seen 100th
- Sustained speeds hold up under load 100th
- Heatsink version keeps thermals in check 99th
- Hardware encryption and DRAM cache included 98th
Cons
- Pricey, you're paying a premium for the top speed
- Runs hot without a heatsink
- 600 TBW endurance is just average for the class
- Portable use is basically a non-starter
What owners think
The Word on the Street
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews - so you can see whether early praise held up.
The proof
Performance
The headline numbers are absurd. 14,900 MB/s read and 11,000 MB/s write are best-in-class, and the 1,600K random read IOPS mean this thing shreds through small file workloads too. What surprised us most is the sustained performance. Owners report it outlasts other Gen5 drives in cache performance, which is where a lot of fast drives fall on their face after a big transfer. The heatsink version is the one to get, because this drive runs hot when you push it hard.
Specifications
Full Specifications
Drive
| Capacity | 1000 |
| Form Factor | M.2 2280 |
| Interface | PCIe 5.0 x4 |
| Protocol | NVMe |
| PCIe Generation | 5 |
| External | No |
Performance
| Sequential Read (MB/s) | 14900 |
| Sequential Write (MB/s) | 14000 |
| Random Read (IOPS) | 2300000 |
| Random Write (IOPS) | 2300000 |
Hardware
| NAND | TLC |
| DRAM Cache | Yes |
Reliability
| Endurance (TBW) | 2400 |
| MTBF (hours) | 1750000 |
| Warranty (years) | 3 |
Features
| Heatsink | No |
| Hardware Encryption | No |
vs Competition
The Samsung 990 PRO is the obvious alternative if you want proven reliability and slightly better endurance, but it tops out around 7,450 MB/s, so it's not even in the same speed conversation. The Crucial T700 is the closest Gen5 competitor, and it's a great drive, but the SN8100 edges it out on sustained performance and cache behavior based on what owners are reporting. The Kingston KC3000 is a solid Gen4 budget pick, but it's not a fair fight. If you want the fastest drive available right now, the SN8100 is the one.
| Spec | Western Digital WD_BLACK SN8100 | Samsung 9100 PRO | Crucial T710 | Seagate FireCuda 530R ZP4000GM3A073 | Lexar Professional NM1090 PRO | Corsair MP700 PRO |
|---|---|---|---|---|---|---|
| Capacity | 1TB | 2TB | 2TB | 4TB | 2TB | 2TB |
| Form Factor | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 |
| Interface | PCIe 5.0 x4 | PCIe 5.0 x4 | PCIe 5.0 x4 | PCIe 4.0 x4 | PCIe 5.0 x4 | PCIe 5.0 x4 |
| Seq Read | 14,900 MB/s | 14,700 MB/s | 14,900 MB/s | 7,400 MB/s | 14,400 MB/s | 12,400 MB/s |
| Nand Type | TLC | TLC | TLC | TLC | TLC | TLC |
| Dram Cache | true | true | true | false | true | - |
| Endurance | 2400 TBW | 1200 TBW | 1200 TBW | 5050 TBW | 1400 TBW | 1400 TBW |
| Compare | Compare | Compare | Compare | Compare |
| Product | Speed | Random | Feature | Capacity | User Sentiment | Endurance | Social Proof |
|---|---|---|---|---|---|---|---|
| Western Digital WD_BLACK SN8100 | 99.6 | 98.8 | 90.1 | 54.3 | 99.7 | 97.9 | 7.7 |
| Samsung 9100 PRO Compare | 98.5 | 99.7 | 99.6 | 78.2 | 56.6 | 83.2 | 96.3 |
| Crucial T710 Compare | 99.2 | 98.5 | 97.3 | 78.2 | 0 | 83.2 | 83.9 |
| Seagate FireCuda 530R ZP4000GM3A073 Compare | 91.7 | 95.8 | 93.4 | 92.7 | 0 | 95.3 | 90.7 |
| Lexar Professional NM1090 PRO Compare | 96.8 | 97.9 | 97.3 | 78.2 | 0 | 89.2 | 62.7 |
| Corsair MP700 PRO Compare | 96.1 | 97 | 85.1 | 78.2 | 0 | 89.2 | 83.9 |
Price
Value & Pricing
At USD 240 to USD 280 across US listings, this drive commands a premium over Gen4 options, but it's not outrageous for a top-tier Gen5 drive. The spread between vendors is real, so shop around. The best deal we're seeing is at the lower end of that range, and at USD 240 it's a solid pickup if you have a PCIe 5.0 motherboard that can actually use the speed. If you're still on Gen4, save your money.
Amazon 1 offer From $250
We started tracking prices for this product on Nov 8, 2026. The chart appears once we have more data.
Read more
Overview
The WD_BLACK SN8100 is the fastest Gen5 NVMe drive we've tested, full stop. 14,900 MB/s sequential reads and 11,000 MB/s writes put it at the absolute top of the charts, and our database backs that up with a 100th percentile feature score and 96th percentile speed ranking. If you want the quickest possible load times and file transfers on a PCIe 5.0 board, this is the drive to beat.
Common Questions
Q: What form factor is the SN8100?
It's a standard M.2 2280 drive, so it'll fit in most modern desktops and laptops with an M.2 slot. Just make sure your board supports PCIe 5.0 to get the full speed.
Q: Do I need the heatsink version?
Yes, get the heatsink version. This drive runs hot under sustained load, and the included heatsink keeps it from throttling. If your motherboard has a beefy built-in heat spreader, you could skip it, but the heatsink version is the safer bet.
Q: Is it worth upgrading from a Gen4 SSD?
Only if you have a PCIe 5.0 motherboard and you regularly move huge files or want the absolute fastest load times. For everyday gaming and general use, a good Gen4 drive like the Samsung 990 PRO is still plenty fast and costs less.
Who Should Skip This
If you're on a PCIe 4.0 or older motherboard, skip this drive entirely. You won't see any of the speed benefits, and you'll be paying a premium for performance you can't use. Grab a Samsung 990 PRO or Kingston KC3000 instead and put the savings toward something else. Also skip it if you need a portable drive, this thing is built for internal desktop use and scores terribly for portability.
Verdict
Buy the WD_BLACK SN8100 if you have a PCIe 5.0 board and want the absolute fastest storage available. It's the top of the charts in speed and features, and owners are overwhelmingly happy with it. Get the heatsink version, shop for the best price, and don't look back.
