Western Digital Black SN850X
The 7300 MB/s read and 6600 MB/s write speeds, paired with 1200K random read IOPS, make this 2TB PCIe 4.0 drive a top-tier choice for gaming and workstation loads. Its 1200 TBW endurance and optional heatsink version help maintain performance during intense sessions, while the WD_BLACK Dashboard adds Game Mode 2.0 and RGB control on Windows. Best for gamers or content creators who need fast, high-capacity storage and are willing to pay for premium performance over budget alternatives.
No current retailer price
Snapshot
Pros & Cons
Pros
- Strong user sentiment (95th percentile) 95th
- Strong random (95th percentile) 95th
- Strong speed (88th percentile) 88th
- Strong endurance (81st percentile) 81st
Cons
- Below average social proof (25th percentile)
What owners think
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews - so you can see whether early praise held up.
Based on 12 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
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 |
| MTBF (hours) | 1750000 |
| Warranty (years) | 3 |
Features
| Heatsink | No |
vs Competition
| Spec | Western Digital Black SN850X | Samsung 9100 PRO | Crucial T710 | Kingston Fury Renegade SFYRDK/2000G | Seagate FireCuda 530R | SanDisk Western Digital WDS400T1X0M |
|---|---|---|---|---|---|---|
| Capacity | 2TB | 8TB | 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 x4 | PCIe 5.0 x4 |
| Seq Read | 7,300 MB/s | 14,800 MB/s | 14,500 MB/s | 7,300 MB/s | 7,400 MB/s | 14,900 MB/s |
| Nand Type | TLC | TLC | TLC | TLC | TLC | TLC |
| Dram Cache | false | true | false | true | false | true |
| Endurance | 1200 TBW | 4800 TBW | 2400 TBW | 2000 TBW | 5050 TBW | 2400 TBW |
| Compare | Compare | Compare | Compare | Compare |
| Product | Speed | Random | Feature | Capacity | User Sentiment | Endurance | Social Proof |
|---|---|---|---|---|---|---|---|
| Western Digital Black SN850X | 88 | 94.8 | 53.3 | 78.4 | 94.9 | 81 | 24.6 |
| Samsung 9100 PRO Compare | 99 | 99.7 | 99.8 | 98.2 | 0 | 86 | 95.6 |
| Crucial T710 Compare | 98.7 | 98.7 | 85.6 | 92.8 | 0 | 86 | 79.7 |
| Kingston Fury Renegade SFYRDK/2000G Compare | 92.7 | 93.4 | 93.8 | 78.4 | 66.5 | 94 | 95.6 |
| Seagate FireCuda 530R Compare | 92.2 | 96.2 | 53.3 | 92.8 | 64.6 | 95.6 | 88.5 |
| SanDisk Western Digital WDS400T1X0M Compare | 97.4 | 99 | 97.4 | 92.8 | 0 | 81 | 0 |
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
