New On sale 28%
Western Digital WD_BLACK SN850X 1TB PCIe 4.0 x4 NVMe M.2 2280
Capacity 1TB
Form Factor M.2 2280
Interface PCIe 4.0 x4
Read Speed 7,300 MB/s
NAND TLC
DRAM Cache Yes
Endurance 600 TBW
78 Overall Score
Price $259
Snapshot
Pros & Cons
Pros
- Strong feature (94th percentile) 94th
- Strong random (93rd percentile) 93rd
- Strong speed (85th percentile) 85th
- Strong endurance (80th percentile) 80th
Cons
The proof
Performance
Specifications
Full Specifications
Drive
| Capacity | 1000 |
| 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) | 6300 |
| Random Read (IOPS) | 800000 |
| Random Write (IOPS) | 1100000 |
Hardware
| NAND | TLC |
| DRAM Cache | Yes |
Reliability
| Endurance (TBW) | 600 |
| MTBF (hours) | 1750000 |
| Warranty (years) | 3 |
Features
| Heatsink | Yes |
vs Competition
| Spec | Western Digital WD_BLACK SN850X | Samsung 990 PRO | Crucial T500 | Kingston Fury Renegade SFYRDK/2000G | Corsair MP700 Elite | Team Group MP44 |
|---|---|---|---|---|---|---|
| Capacity | 1TB | 2TB | 2TB | 2TB | 2TB | 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 4.0 x4 | PCIe 4.0 x4 | PCIe 4.0 x4 | PCIe 5.0 x4 | PCIe 4.0 x4 |
| Seq Read | 7,300 MB/s | 7,450 MB/s | 7,400 MB/s | 7,300 MB/s | 10,000 MB/s | 7,400 MB/s |
| Nand Type | TLC | TLC | TLC | TLC | TLC | TLC |
| Dram Cache | true | true | true | true | false | false |
| Endurance | 600 TBW | 1200 TBW | 1200 TBW | 2000 TBW | 1200 TBW | 2000 TBW |
| Compare | Compare | Compare | Compare | Compare |
| Product | Speed | Random | Feature | Capacity | Endurance |
|---|---|---|---|---|---|
| Western Digital WD_BLACK SN850X | 85.2 | 92.7 | 93.9 | 54.9 | 80.4 |
| Samsung 990 PRO Compare | 93.4 | 97 | 99 | 78.3 | 85.4 |
| Crucial T500 Compare | 93.8 | 96.4 | 99 | 78.3 | 82.4 |
| Kingston Fury Renegade SFYRDK/2000G Compare | 92.9 | 93.8 | 93.9 | 78.3 | 93.6 |
| Corsair MP700 Elite Compare | 94.7 | 96.6 | 89.1 | 78.3 | 86.6 |
| Team Group MP44 Compare | 93.1 | 88.2 | 78.5 | 92.6 | 76.5 |
Price
Value & Pricing
From $259
Amazon 1 offer From $259
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.
