Samsung PM991a 1TB PCIe 3.0 x4 NVMe M.2 2230
Samsung
58 Overall Score
vs
SanDisk 8TB SSD PCIe 4.0 NVMe
SanDisk
95 Overall Score
Scores
Workstation
Console
Gaming
Budget
Laptop
Portable
Specifications
| Samsung PM991a | SanDisk 8TB SSD | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 2230 | M.2 2280 |
| Interface | PCIe 3.0 x4 | PCIe 4.0 |
| Protocol | NVMe | NVMe |
| PCIe Generation | 3 | 4★ |
| External | ✗ | ✗ |
| Performance | ||
| Sequential Read (MB/s) | ||
| Sequential Write (MB/s) | ||
| Random Read (IOPS) | ||
| Random Write (IOPS) | ||
| Hardware | ||
| NAND | TLC | TLC |
| DRAM Cache | — | ✓★ |
| Reliability | ||
| Endurance (TBW) | No data | |
| MTBF (hours) | No data | |
| Warranty (years) | — | 5★ |
| Features | ||
| Heatsink | — | ✓★ |
Pros & Cons
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
SanDisk 8TB SSD PCIe 4.0 NVMe
- Strong capacity (98th percentile)98th %ile
- Strong random (96th percentile)96th %ile
- Strong social proof (95th percentile)95th %ile
- Strong feature (94th percentile)94th %ile
- Below average affordability (4th percentile)4th %ile
Pricing
Samsung PM991a 1TB PCIe 3.0 x4 NVMe M.2 2230
No current pricing available
SanDisk 8TB SSD PCIe 4.0 NVMe
Verdict
Winner: SanDisk 8TB SSD
Scores 95 overall, wins 5 of 6 usage categories and 11 of 16 specs.