Western Digital Black SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
Western Digital
95 Overall Score
vs
ByteFest 64GB SSD SATA III mSATA
ByteFest
37 Overall Score
Scores
Laptop
Budget
Gaming
Workstation
Console
Portable
Specifications
| Western Digital Black SN850X | ByteFest 64GB SSD | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 2280 | mSATA |
| Interface | PCIe 4.0 x4 | SATA III |
| Protocol | NVMe | SATA |
| PCIe Generation | 4★ | — |
| External | ✗ | ✗ |
| Performance | ||
| Sequential Read (MB/s) | ||
| Sequential Write (MB/s) | ||
| Random Read (IOPS) | No data | |
| Random Write (IOPS) | No data | |
| Hardware | ||
| NAND | TLC | TLC |
| DRAM Cache | ✓★ | — |
| Controller | WD 20-82-20035-B1 | — |
| Reliability | ||
| Endurance (TBW) | ||
| MTBF (hours) | No data | |
| Warranty (years) | 5★ | — |
| Features | ||
| Heatsink | ✗ | — |
| Hardware Encryption | ✗ | — |
Pros & Cons
Western Digital Black SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
- Strong social proof (100th percentile)100th %ile
- Strong random (95th percentile)95th %ile
- Strong capacity (93rd percentile)93rd %ile
- Strong feature (89th percentile)89th %ile
ByteFest 64GB SSD SATA III mSATA
- Strong endurance (99th percentile)99th %ile
- Below average capacity (2nd percentile)2nd %ile
- Below average random (22nd percentile)
- Below average speed (28th percentile)
Verdict
Winner: Western Digital Black SN850X
Scores 95 overall, wins 6 of 6 usage categories and 10 of 18 specs.