Samsung PM9B1 256GB PCIe 4.0 x4 NVMe M.2 2280
Western Digital Black SN850X 1TB PCIe 4.0 x4 NVMe M.2 2280
What Buyers Say
Samsung PM9B1 256GB PCIe 4.0 x4 NVMe M.2 2280
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
Western Digital Black SN850X 1TB PCIe 4.0 x4 NVMe M.2 2280
No customer feedback yet
Scores
Specifications
| Samsung PM9B1 | Western Digital 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 | 5★ |
| Features | ||
| Heatsink | — | ✗ |
| Hardware Encryption | — | ✗ |
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 Black SN850X 1TB PCIe 4.0 x4 NVMe M.2 2280
- Strong social proof (95th percentile)95th %ile
- Strong random (93rd percentile)93rd %ile
- Strong feature (90th percentile)90th %ile
- Strong endurance (88th percentile)88th %ile
Pricing
Samsung PM9B1 256GB PCIe 4.0 x4 NVMe M.2 2280 offers 1.6x better value for money
Verdict
Scores 85 overall, wins 6 of 6 usage categories and 10 of 17 specs.