New
Western Digital SN850X
Capacity 4TB
Form Factor M.2 2280
Interface PCIe 4.0 x4
Read Speed 7,300 MB/s
Endurance 2400 TBW
69 Overall Score
No current retailer price
Snapshot
Pros & Cons
Pros
- Strong capacity (93rd percentile) 93rd
- Strong speed (88th percentile) 88th
- Strong endurance (83rd percentile) 83rd
Cons
- Below average feature (33rd 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.
Owner sentiment has held steady over time
Based on 2 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Drive
| Capacity | 4000 |
| 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 |
Reliability
| Endurance (TBW) | 2400 |
| Warranty (years) | 5 |
Features
| Heatsink | Yes |
vs Competition
| Spec | Western Digital SN850X | Samsung 9100 PRO | Crucial T710 | Kingston Fury Renegade SFYRDK/2000G | Seagate FireCuda 530R | SanDisk Optimus GX PRO 8100 8100 |
|---|---|---|---|---|---|---|
| Capacity | 4TB | 8TB | 4TB | 2TB | 4TB | 8TB |
| 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 |
| Dram Cache | - | true | false | true | false | false |
| Endurance | 2400 TBW | 4800 TBW | 2400 TBW | 2000 TBW | 5050 TBW | 4800 TBW |
| Compare | Compare | Compare | Compare | Compare |
| Product | Speed | Random | Feature | Capacity | Endurance | Social Proof |
|---|---|---|---|---|---|---|
| Western Digital SN850X | 87.9 | 60.5 | 32.9 | 92.9 | 83 | 58.2 |
| Samsung 9100 PRO Compare | 98.9 | 99.8 | 99.8 | 98.2 | 86 | 96.3 |
| Crucial T710 Compare | 98.7 | 98.8 | 85.4 | 92.9 | 86 | 82.3 |
| Kingston Fury Renegade SFYRDK/2000G Compare | 92.6 | 93.4 | 93.7 | 78.6 | 94.1 | 96.3 |
| Seagate FireCuda 530R Compare | 92.2 | 96.2 | 53.4 | 92.9 | 95.7 | 90.1 |
| SanDisk Optimus GX PRO 8100 8100 Compare | 98.7 | 99.1 | 88.8 | 98.2 | 87.9 | 51.7 |
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
