Samsung PM9B1 256GB PCIe 4.0 x4 NVMe M.2 2280
Samsung
40 Overall Score
vs
Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
Western Digital
94 Overall Score
What Buyers Say
Samsung PM9B1 256GB PCIe 4.0 x4 NVMe M.2 2280
72 out of 100 medium confidence 10 reviews
The Samsung NVMe SSD is generally well-received, with many users praising its speed, value, and reliability as an upgrade from older drives. However, some users report compatibility issues with USB adapters and occasional failures, with one unit failing after a few months. Overall, it's a solid choice for budget-conscious upgrades, but be aware of potential quirks.
Pros
- Fast transfer speeds
- Good value for money
- Reliable brand
- Easy installation
- Improves system performance
Cons
- Compatibility issues with USB adapters
- Occasional failures
- Questionable authenticity stickers
- Poor packaging
Performance 6
Value for money 5
Reliability 4
Compatibility 3
Authenticity 2
Packaging 1
Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
No customer feedback yet
Scores
Console
Gaming
Workstation
Budget
Laptop
Portable
Specifications
| Samsung PM9B1 | Western Digital WD_BLACK SN850X | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 2280 | M.2 2280 |
| Interface | PCIe 4.0 x4 | PCIe 4.0 x4 |
| Protocol | NVMe | NVMe |
| PCIe Generation | 4 | 4 |
| External | ✗ | ✗ |
| Performance | ||
| Sequential Read (MB/s) | No data | |
| Sequential Write (MB/s) | No data | |
| Random Read (IOPS) | No data | |
| Random Write (IOPS) | No data | |
| Hardware | ||
| NAND | — | TLC★ |
| DRAM Cache | — | ✓★ |
| Reliability | ||
| Endurance (TBW) | No data | |
| MTBF (hours) | No data | |
| Warranty (years) | 2 | 3★ |
| Features | ||
| Heatsink | — | ✓★ |
Pros & Cons
Samsung PM9B1 256GB PCIe 4.0 x4 NVMe M.2 2280
- Strong affordability (89th percentile)89th %ile
- Strong speed (68th percentile)
- Below average feature (15th percentile)15th %ile
- Below average capacity (18th percentile)18th %ile
- Below average user sentiment (29th percentile)
Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
- Strong random (96th percentile)96th %ile
- Strong social proof (95th percentile)95th %ile
- Strong feature (94th percentile)94th %ile
- Strong capacity (93rd percentile)93rd %ile
- Below average affordability (9th percentile)9th %ile
Verdict
Winner: Western Digital WD_BLACK SN850X
Scores 94 overall, wins 6 of 6 usage categories and 11 of 16 specs.