394HB 4TB SSD PCIe 4.0 x4 NVMe M.2
394HB
82 Overall Score
vs
Samsung PM981 512GB PCIe 3.0 x4 NVMe M.2 2280
Samsung
37 Overall Score
What Buyers Say
394HB 4TB SSD PCIe 4.0 x4 NVMe M.2
No customer feedback yet
Samsung PM981 512GB PCIe 3.0 x4 NVMe M.2 2280
72 out of 100 medium confidence 12 reviews
The Samsung PM981 NVMe SSD generally delivers excellent performance, with users reporting fast boot times and high read/write speeds. However, several reviewers received used or OEM units instead of new retail drives, and one received a Kingston drive instead of Samsung. Overall, the drive is praised for its speed and ease of installation, but the packaging and authenticity issues are notable concerns.
Pros
- Fast boot times
- High read/write speeds
- Easy installation
- Good value for money
- Compatible with many laptops
Cons
- Received used or OEM units
- One received Kingston instead of Samsung
- Packaging not retail
- Pre-installed software on used drive
Performance 6
Authenticity 3
Packaging 2
Ease of installation 4
Value for money 3
Compatibility 3
Scores
Laptop
Gaming
Console
Workstation
Budget
Portable
Specifications
| 394HB 4TB SSD | Samsung PM981 | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 | M.2 2280 |
| 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) | No data | |
| Random Write (IOPS) | No data | |
| Hardware | ||
| NAND | 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 PM981 512GB PCIe 3.0 x4 NVMe M.2 2280
- Below average endurance (15th percentile)15th %ile
- Below average feature (15th percentile)15th %ile
- Below average user sentiment (29th percentile)
- Below average capacity (35th percentile)
Verdict
Winner: 394HB 4TB SSD
Scores 82 overall, wins 6 of 6 usage categories and 10 of 17 specs.