Western Digital SN850 2TB PCIe 4.0 NVMe M.2 2280
The PCIe Gen4 interface delivers up to 7000 MB/s reads and 5300 MB/s writes, with 1,000,000 random IOPS, making load times and game transfers noticeably faster. The 2TB capacity and WD_BLACK Dashboard software let you store more titles and monitor performance, while the M.2 2280 form factor fits easily in gaming laptops and desktops. This drive suits PC gamers who want a high-capacity, high-speed primary storage solution and are not using a NAS or server environment.
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Обзор
The 30-Second Version
The SN850 2TB delivers 1,000,000 random IOPS, good for the 94th percentile in our database, and 7,000 MB/s reads. But it runs hot enough that owners insist on a heatsink, and the endurance score lands in the 15th percentile. At $448 USD, you're paying a premium for a drive that's no longer the fastest option around.
Pros & Cons
Плюсы
- 1,000,000 random IOPS puts it in the 94th percentile for random performance 95th
- 7,000 MB/s read speed is still well above average 94th
- 2TB capacity gives you room for a solid game library 79th
- 4.8/5 customer rating across 12,930 reviews 78th
- Social proof in the 95th percentile, tons of real-world validation
Минусы
- Endurance score in the 15th percentile, not built for heavy write workloads
- Runs hot, multiple owners say a heatsink is mandatory
- Affordability in the 21st percentile, you pay a premium for the WD_BLACK name
- Feature set in the 15th percentile, no hardware encryption or extras
- No mounting screw included, a small but annoying omission
Мнение владельцев
The Word on the Street
Как менялось мнение владельцев со временем
ЭксклюзивНа основе того, когда покупатели действительно писали отзывы, - чтобы увидеть, оправдались ли первые похвалы.
На основе 10 датированных отзывов покупателей, сгруппированных по календарным кварталам. Анализ по периодам - на английском языке.
Факты
Performance
The headline numbers are 7,000 MB/s sequential read and 5,300 MB/s write. In our database, that's solidly above average for speed, but not top of the charts anymore. The real story is random performance: 1,000,000 IOPS on both read and write puts this drive in the 94th percentile, which means it's one of the best on the market for the kind of small, scattered file operations that games and operating systems actually do. The 2TB capacity lands in the 78th percentile, giving you room for a decent game library without constant uninstalling. But the endurance score sits at the 15th percentile, which is a weak spot. WD doesn't publish a TBW rating for this drive in the provided specs, and the low endurance percentile suggests this isn't a drive you want to hammer with constant writes. For gaming and everyday use, it's fine. For heavy workstation or NAS duty, look elsewhere.
Specifications
Full Specifications
Drive
| Capacity | 2000 |
| Form Factor | M.2 2280 |
| Interface | PCIe 4.0 |
| Protocol | NVMe |
| PCIe Generation | 4 |
| External | No |
Performance
| Sequential Read (MB/s) | 7000 |
| Sequential Write (MB/s) | 5300 |
| Random Read (IOPS) | 1000000 |
| Random Write (IOPS) | 1000000 |
vs Competition
Against the Samsung 9100 PRO, the SN850 loses on raw sequential speed but holds its own on random IOPS. The Crucial T500 matches or beats the SN850 on most metrics while typically costing less, which makes it the smarter buy for most people. The Kingston FURY Renegade G5 offers higher capacity options and better endurance ratings, which matters if you're doing more than gaming. The SanDisk WD_BLACK WDS400T2XHE is essentially the same drive with a heatsink pre-installed, which solves the SN850's biggest real-world complaint. And the Seagate FireCuda 530R trades blows on speed but has a better endurance story. The SN850's 94th percentile random performance keeps it relevant, but its 15th percentile endurance and 21st percentile affordability make it a tough sell against newer competition.
| Spec | Western Digital SN850 | Samsung 9100 PRO | Kingston FURY Renegade G5 SFYR2S/4T0 | Crucial T500 | SanDisk WD_BLACK WDS800T2XHE | Seagate FireCuda 530R |
|---|---|---|---|---|---|---|
| Capacity | 2TB | 4TB | 4TB | 2TB | 8TB | 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 | PCIe 5.0 x4 | PCIe 5.0 | PCIe 4.0 x4 | PCIe 4.0 | PCIe 4.0 x4 |
| Seq Read | 7,000 MB/s | 14,800 MB/s | 14,800 MB/s | 7,400 MB/s | 7,200 MB/s | 7,400 MB/s |
| Nand Type | - | TLC | TLC | TLC | TLC | TLC |
| Dram Cache | - | true | true | true | true | false |
| Endurance | - | 2400 TBW | 4000 TBW | 1200 TBW | 4800 TBW | 5050 TBW |
| Compare | Compare | Compare | Compare | Compare |
| Товар | Speed | Random | Feature | Capacity | User Sentiment | Endurance | Отзывы пользователей | Affordability |
|---|---|---|---|---|---|---|---|---|
| Western Digital SN850 | 79.3 | 94 | 14.6 | 78.3 | 56.6 | 14.7 | 95 | 20.4 |
| 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 | 0 | 93.4 | 86.8 | 6.5 |
| Crucial T500 Compare | 93.8 | 96.5 | 98.8 | 78.3 | 78.4 | 82.9 | 95 | 19.9 |
| SanDisk WD_BLACK WDS800T2XHE Compare | 87.1 | 96 | 93.6 | 98.1 | 0 | 88 | 95 | 3.9 |
| Seagate FireCuda 530R Compare | 92.6 | 96.4 | 53.7 | 92.5 | 64.9 | 95.6 | 77.3 | 6.9 |
Цена
Value & Pricing
At $448 USD for the 2TB model, this drive sits in the 21st percentile for affordability. That's a premium price for a drive that's no longer the fastest Gen4 option on the market. The Canadian listing at $683 CAD tells the same story. You're paying for the WD_BLACK brand, the proven reliability, and the strong random performance. But when competitors like the Crucial T500 and Kingston FURY Renegade G5 offer similar or better speeds at lower prices, the value proposition gets shaky. If you catch this on sale, it's a solid buy. At full retail, you're leaving money on the table.
Подробнее
Overview
The WD_BLACK SN850 2TB hits 7,000 MB/s read and 5,300 MB/s write, which puts it in the 79th percentile for speed in our database. That's not the absolute fastest Gen4 drive anymore, but it's still quick enough to make load screens feel like a brief blink. The 1,000,000 random read and write IOPS are where this drive really flexes, landing it in the 94th percentile for random performance. For a drive that launched as a flagship, it's aging well on the spec sheet.
Common Questions
Q: Do I need a heatsink for the SN850?
Yes, based on owner feedback, a heatsink is strongly recommended. Multiple buyers report the drive runs hot under sustained load, and the operating temperature range tops out at 70°C. A heatsink helps keep it within safe limits and extends the drive's life.
Q: Is the SN850 worth it for gaming compared to a Gen3 drive?
It depends on your expectations. The 7,000 MB/s read speed is roughly double what most Gen3 drives offer, and the 1,000,000 random IOPS are in the 94th percentile. But some owners report minimal real-world gaming improvement over Gen3, since games rarely saturate Gen4 bandwidth. If you're building a new system, it's a good pick. If you're upgrading an existing Gen3 system, the gains may feel underwhelming.
Q: How does the SN850 compare to the Crucial T500?
The Crucial T500 matches or beats the SN850 on most speed metrics while typically costing less. The SN850's main advantage is its 94th percentile random performance, which is excellent. But the T500 generally offers better value, and the SN850's endurance score in the 15th percentile is a concern for heavy workloads.
Who Should Skip This
Skip this drive if you're doing heavy workstation or NAS duty. The endurance score in the 15th percentile means it's not built for constant write workloads, and WD explicitly says it's not intended for NAS or server environments. Also skip it if you're on a tight budget, the 21st percentile affordability ranking means you're paying a brand premium. And if you're upgrading from a decent Gen3 drive purely for gaming, the real-world gains may not justify the cost. The heat issue is real too, so if you don't want to deal with buying and installing a separate heatsink, look at the SanDisk WD_BLACK WDS400T2XHE, which is essentially this drive with a heatsink pre-installed.
Verdict
The SN850 2TB is still a fast, reliable drive with excellent random performance, but it's showing its age. The 94th percentile random IOPS score is genuinely impressive, and the 4.8/5 rating from nearly 13,000 buyers says people are happy with it. But the 15th percentile endurance score, the heat issues that require a separate heatsink purchase, and the 21st percentile affordability ranking make it hard to recommend at full price. If you find it on sale and you're building a gaming rig, it'll serve you well. If you're paying retail, the Crucial T500 or Kingston FURY Renegade G5 give you more for less.
