Western Digital BLACK SN850X 2TB PCIe 4.0 x4 NVMe M.2 2280
The WD_BLACK SN850X hits 7300 MB/s reads and 6600 MB/s writes over PCIe 4.0, with Game Mode 2.0 pre-loading assets for faster in-game loading. Its 2TB capacity and 1200 TBW endurance pair with a 5-year warranty, making it a reliable high-capacity choice. Best for gamers upgrading a desktop or laptop who want top-tier NVMe speed without moving to PCIe 5.0.
현재 판매처 최신 가격 없음
요약
The 30-Second Version
The SN850X is a top-tier Gen 4 drive that delivers near-instant loads and excellent endurance. Just budget for a heatsink and shop around for the best price.
Pros & Cons
장점
- Blazing fast sequential and random performance 100th
- Near-instant boot and game load times 95th
- 1200 TBW endurance rating is excellent for a 2TB drive 95th
- 5-year warranty and strong social proof 89th
단점
- Runs hot without a heatsink
- Price has crept up recently
- Game Mode 2.0 feels gimmicky
- Not great for portable use
사용자 의견
The Word on the Street
시간에 따라 사용자 평판이 어떻게 변했는가
독점고객이 실제로 리뷰를 작성한 시점을 기준으로 합니다. 초기의 호평이 유지되었는지 확인할 수 있습니다.
날짜가 있는 고객 리뷰 12건을 기준으로 달력 분기별로 묶었습니다. 기간별 분석은 영어로 제공됩니다.
근거 자료
Performance
The numbers are legit. 7300 MB/s sequential reads and 6600 MB/s writes put this drive near the top of the Gen 4 charts, and the 1200K random read IOPS are best-in-class. What surprised us is how well it holds up in real-world use. Boot times and game loads feel nearly instant, and that's not just marketing fluff. The DRAM-less design had us skeptical at first, but WD's controller clearly knows what it's doing. Just keep an eye on temps under sustained writes.
Specifications
Full Specifications
Drive
| Capacity | 2000 |
| Form Factor | M.2 2280 |
| Interface | PCIe 4.0 x4 |
| Protocol | NVMe |
| PCIe Generation | 4 |
| External | No |
Performance
| Sequential Read (MB/s) | 7300 |
| Sequential Write (MB/s) | 6600 |
| Random Read (IOPS) | 1200000 |
| Random Write (IOPS) | 1100000 |
Hardware
| NAND | TLC |
| DRAM Cache | No |
Reliability
| Endurance (TBW) | 1200 |
| Warranty (years) | 5 |
Features
| Heatsink | No |
| Hardware Encryption | No |
vs Competition
The Samsung 9100 PRO is the obvious rival, and it's a close fight. Samsung edges ahead in some synthetic benchmarks, but the SN850X counters with better random performance and a longer track record. The Crucial T500 is the value play, often cheaper with similar real-world speeds. If you want max performance and don't mind spending a bit more, the SN850X or 9100 PRO are your picks. If you're budget-conscious, the T500 gets you 90% of the way there for less cash.
| Spec | Western Digital BLACK SN850X | Samsung 9100 PRO | Kingston FURY Renegade G5 SFYR2S/4T0 | Crucial T500 | SanDisk WD_BLACK WDS400T2XHE | Seagate FireCuda 530R |
|---|---|---|---|---|---|---|
| Capacity | 2TB | 4TB | 4TB | 2TB | 4TB | 4TB |
| Form Factor | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 |
| Interface | PCIe 4.0 x4 | PCIe 5.0 x4 | PCIe 5.0 x4 | PCIe 4.0 x4 | PCIe 4.0 | PCIe 4.0 x4 |
| Seq Read | 7,300 MB/s | 14,800 MB/s | 14,800 MB/s | 7,400 MB/s | 7,300 MB/s | 7,400 MB/s |
| Nand Type | TLC | TLC | TLC | TLC | TLC | TLC |
| Dram Cache | false | true | true | true | true | false |
| Endurance | 1200 TBW | 2400 TBW | 4000 TBW | 1200 TBW | 2400 TBW | 5050 TBW |
| Compare | Compare | Compare | Compare | Compare |
| 제품 | Speed | Random | Feature | Capacity | User Sentiment | Endurance | 사용자 평판 | Affordability |
|---|---|---|---|---|---|---|---|---|
| Western Digital BLACK SN850X | 88.5 | 95.2 | 53.7 | 78.4 | 94.5 | 82.9 | 99.5 | 23.3 |
| Samsung 9100 PRO Compare | 99.1 | 99.8 | 99.7 | 92.5 | 0 | 85.9 | 99.5 | 5.3 |
| Kingston FURY Renegade G5 SFYR2S/4T0 Compare | 99.4 | 98.7 | 90.5 | 92.5 | 28.6 | 93.4 | 86.8 | 6.5 |
| Crucial T500 Compare | 93.8 | 96.5 | 98.9 | 78.4 | 78.6 | 82.9 | 95 | 19.9 |
| SanDisk WD_BLACK WDS400T2XHE Compare | 88.5 | 95.2 | 93.6 | 92.5 | 0 | 80.9 | 95 | 8.9 |
| Seagate FireCuda 530R Compare | 92.6 | 96.4 | 53.7 | 92.5 | 65 | 95.6 | 77.3 | 6.9 |
가격
Value & Pricing
Pricing is all over the place right now. In the US you'll see it between USD 350 and USD 400, and in Canada it's CAD 495 to CAD 550. That's a meaningful spread, so shop around. If you can snag it at the lower end of that range, it's a solid deal for a top-tier Gen 4 drive. At the high end, you're paying a premium for the WD_BLACK name.
2026년 11월 8일부터 이 제품의 가격을 추적하고 있습니다. 데이터가 쌓이면 차트가 표시됩니다.
더 보기
Overview
The WD_BLACK SN850X is still one of the fastest Gen 4 drives you can buy, and our data backs that up. It sits in the 88th percentile for speed and the 95th for random performance, which means it's a top-tier pick for gaming and heavy workloads. The one thing to know? It runs hot, so budget for a heatsink if your motherboard doesn't have one built in.
Common Questions
Q: Does this drive need a heatsink?
Yes, especially if your motherboard doesn't have a built-in M.2 heatsink. It runs hot under sustained loads, and a cheap aftermarket heatsink keeps temps in check.
Q: Is the SN850X good for gaming?
Absolutely. Load times are near-instant, and the random read performance is among the best we've seen. Game Mode 2.0 is mostly marketing, but the underlying hardware is excellent.
Q: How does the warranty work?
WD backs this drive with a 5-year warranty and a 1200 TBW endurance rating. That's plenty for most users, even heavy gamers and content creators.
Who Should Skip This
If you're building a portable rig or need something for a laptop without a heatsink, this isn't the drive for you. It runs too hot for tight enclosures. Grab a Crucial T500 or a lower-power Gen 4 drive instead. And if you're on a strict budget, the SN850X's recent price hikes make it a tougher sell.
Verdict
The WD_BLACK SN850X is a no-brainer if you want a fast, reliable Gen 4 drive and don't mind paying for it. It's not the cheapest option, but the performance and endurance are hard to argue with. Buy it, slap a heatsink on it, and forget about storage bottlenecks for years.
