Western Digital Black SN850X
Western Digital
94 Overall Score
vs
SanDisk Optimus GX PRO 8100
SanDisk
81 Overall Score
Scores
Laptop
Budget
Gaming
Workstation
Console
Portable
Specifications
| Western Digital Black SN850X | SanDisk Optimus GX PRO 8100 | |
|---|---|---|
| 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 | WD 20-82-20035-B1 | — |
| Reliability | ||
| Endurance (TBW) | ||
| MTBF (hours) | ||
| Warranty (years) | 5 | 5 |
| Features | ||
| Heatsink | ✗ | ✗ |
| Hardware Encryption | ✗ | ✓★ |
Pros & Cons
Western Digital Black SN850X
- Strong social proof (97th percentile)97th %ile
- Strong random (95th percentile)95th %ile
- Strong capacity (93rd percentile)93rd %ile
- Strong feature (89th percentile)89th %ile
SanDisk Optimus GX PRO 8100
- Strong random (98th percentile)98th %ile
- Strong feature (98th percentile)98th %ile
- Strong speed (97th percentile)97th %ile
- Strong endurance (88th percentile)88th %ile
Pricing
Western Digital Black SN850X0.144score per dollar
vs
SanDisk Optimus GX PRO 81000.326score per dollar
SanDisk Optimus GX PRO 8100 offers 2.3x better value for money
Verdict
Winner: Western Digital Black SN850X
Scores 94 overall, wins 6 of 6 usage categories and 2 of 18 specs.
