Western Digital WD_BLACK SN850X 1TB PCIe 4.0 x4 NVMe M.2 2280
Western Digital
83 Overall Score
vs
Samsung 9100 PRO 4TB PCIe 5.0 x4 NVMe M.2 2280
Samsung
99 Overall Score
Scores
Gaming
Console
Workstation
Budget
Laptop
Portable
Specifications
| Western Digital WD_BLACK SN850X | Samsung 9100 PRO | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 2280 | M.2 2280 |
| Interface | PCIe 4.0 x4 | PCIe 5.0 x4 |
| Protocol | NVMe | NVMe |
| PCIe Generation | 4 | 5★ |
| External | ✗ | ✗ |
| Performance | ||
| Sequential Read (MB/s) | ||
| Sequential Write (MB/s) | ||
| Random Read (IOPS) | ||
| Random Write (IOPS) | ||
| Hardware | ||
| NAND | TLC | TLC |
| DRAM Cache | ✓ | ✓ |
| Controller | — | In-House Controller |
| Reliability | ||
| Endurance (TBW) | ||
| MTBF (hours) | ||
| Warranty (years) | 3 | 5★ |
| Features | ||
| Heatsink | ✓ | ✓ |
| Hardware Encryption | — | ✓★ |
Pros & Cons
Western Digital WD_BLACK SN850X 1TB PCIe 4.0 x4 NVMe M.2 2280
- Strong social proof (95th percentile)95th %ile
- Strong feature (94th percentile)94th %ile
- Strong random (93rd percentile)93rd %ile
- Strong speed (86th percentile)86th %ile
Samsung 9100 PRO 4TB PCIe 5.0 x4 NVMe M.2 2280
- Strong random (100th percentile)100th %ile
- Strong feature (100th percentile)100th %ile
- Strong social proof (100th percentile)100th %ile
- Strong speed (99th percentile)99th %ile
- Below average affordability (5th percentile)5th %ile
Pricing
Western Digital WD_BLACK SN850X 1TB PCIe 4.0 x4 NVMe M.2 22800.359score per dollar
vs
Samsung 9100 PRO 4TB PCIe 5.0 x4 NVMe M.2 22800.117score per dollar
Western Digital WD_BLACK SN850X 1TB PCIe 4.0 x4 NVMe M.2 2280 offers 3.1x better value for money
Verdict
Winner: Samsung 9100 PRO
Scores 99 overall, wins 5 of 6 usage categories and 9 of 18 specs.
