New Price drop 1%
Western Digital WD_BLACK SN850P
Capacity 8TB
Form Factor M.2 2280
Interface PCIe 4.0 x4
Read Speed 7,200 MB/s
DRAM Cache Yes
Endurance 4800 TBW
95 Overall Score
Price $1,739
Snapshot
Pros & Cons
Pros
- Strong capacity (98th percentile) 98th
- Strong social proof (96th percentile) 96th
- Strong random (95th percentile) 95th
- Strong speed (87th percentile) 87th
Cons
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.
88/100Our AI sentiment read
The proof
Performance
Specifications
Full Specifications
Drive
| Capacity | 8000 |
| Form Factor | M.2 2280 |
| Interface | PCIe 4.0 x4 |
| Protocol | NVMe |
| PCIe Generation | 4 |
| External | No |
Performance
| Sequential Read (MB/s) | 7200 |
| Sequential Write (MB/s) | 6600 |
| Random Read (IOPS) | 1200000 |
| Random Write (IOPS) | 1200000 |
Hardware
| DRAM Cache | Yes |
| Controller | Western Digital |
Reliability
| Endurance (TBW) | 4800 |
| MTBF (hours) | 1750000 |
Features
| Heatsink | Yes |
vs Competition
| Spec | Western Digital WD_BLACK SN850P | Samsung 9100 PRO MZ-VAP4T0CW | Crucial T710 | Seagate FireCuda 530R ZP4000GM3A073 | Kingston Fury Renegade 4TB PCIe Gen 4.0 | SanDisk Western Digital WDS400T1XHM-00CMT0 |
|---|---|---|---|---|---|---|
| Capacity | 8TB | 4TB | 2TB | 4TB | 4TB | 4TB |
| Form Factor | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 | 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 | 7,200 MB/s | 14,800 MB/s | 14,900 MB/s | 7,400 MB/s | 7,300 MB/s | 14,900 MB/s |
| Nand Type | - | TLC | TLC | TLC | TLC | TLC |
| Dram Cache | true | true | true | false | true | true |
| Endurance | 4800 TBW | 2400 TBW | 1200 TBW | 5050 TBW | 4000 TBW | 2400 TBW |
| Compare | Compare | Compare | Compare | Compare |
| Product | Speed | Random | Feature | Capacity | User Sentiment | Endurance | Social Proof |
|---|---|---|---|---|---|---|---|
| Western Digital WD_BLACK SN850P | 87.2 | 95.3 | 84 | 98.1 | 78.1 | 70.4 | 96.3 |
| Samsung 9100 PRO MZ-VAP4T0CW Compare | 98.9 | 99.7 | 99.6 | 92.7 | 0 | 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 |
| Kingston Fury Renegade 4TB PCIe Gen 4.0 Compare | 92.1 | 92.9 | 93.4 | 92.7 | 0 | 93.3 | 96.3 |
| SanDisk Western Digital WDS400T1XHM-00CMT0 Compare | 99.6 | 99.2 | 99.6 | 92.7 | 0 | 81.3 | 39.6 |
Price
Value & Pricing
From $1,739
Amazon 1 offer From $1,739
We started tracking prices for this product on Nov 8, 2026. The chart appears once we have more data.
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
