394HB 4TB SSD PCIe 4.0 x4 NVMe M.2
394HB
82 Overall Score
vs
Samsung PM991a 1TB PCIe 3.0 x4 NVMe M.2 2230
Samsung
58 Overall Score
Scores
Laptop
Gaming
Console
Workstation
Budget
Portable
Specifications
| 394HB 4TB SSD | Samsung PM991a | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 | M.2 2230 |
| Interface | PCIe 4.0 x4 | PCIe 3.0 x4 |
| Protocol | NVMe | NVMe |
| PCIe Generation | 4★ | 3 |
| External | ✗ | ✗ |
| Performance | ||
| Sequential Read (MB/s) | ||
| Sequential Write (MB/s) | ||
| Random Read (IOPS) | ||
| Random Write (IOPS) | ||
| Hardware | ||
| NAND | TLC | TLC |
| DRAM Cache | ✗ | — |
| Controller | E18 | — |
| Reliability | ||
| Endurance (TBW) | 50★ | — |
| MTBF (hours) | No data | |
| Warranty (years) | 5★ | — |
| Features | ||
| Heatsink | ✗ | — |
Pros & Cons
394HB 4TB SSD PCIe 4.0 x4 NVMe M.2
- Strong random (97th percentile)97th %ile
- Strong speed (93rd percentile)93rd %ile
- Strong capacity (93rd percentile)93rd %ile
- Strong social proof (78th percentile)
- Below average affordability (7th percentile)7th %ile
Samsung PM991a 1TB PCIe 3.0 x4 NVMe M.2 2230
- Strong random (84th percentile)84th %ile
- Strong social proof (78th percentile)
- Below average endurance (15th percentile)15th %ile
Pricing
394HB 4TB SSD PCIe 4.0 x4 NVMe M.2
Samsung PM991a 1TB PCIe 3.0 x4 NVMe M.2 2230
No current pricing available
Verdict
Winner: 394HB 4TB SSD
Scores 82 overall, wins 5 of 6 usage categories and 9 of 17 specs.
