394HB 4TB SSD PCIe 4.0 x4 NVMe M.2
394HB
82 Overall Score
vs
Samsung 990 PRO 1TB PCIe 4.0 x4 NVMe M.2 2280
Samsung
90 Overall Score
What Buyers Say
394HB 4TB SSD PCIe 4.0 x4 NVMe M.2
No customer feedback yet
Samsung 990 PRO 1TB PCIe 4.0 x4 NVMe M.2 2280
82 out of 100 medium confidence 18 reviews
The Samsung 990 Pro SSD is widely praised for its exceptional speed, cool operation, and reliability, making it a top choice for gaming and heavy workloads. However, several reviewers warn that the drive may ship with outdated firmware that can cause rapid health degradation, urging immediate updates via Samsung Magician. Despite this caveat, most users recommend it for home use and high-performance builds, noting its value on sale and compatibility with various motherboards.
Pros
- Exceptional speed
- Cool operation
- Reliable performance
- Easy installation
- Good value on sale
Cons
- Outdated firmware on arrival
- Potential rapid health degradation
- Not ideal for mission-critical use
Speed 6
Firmware issue 4
Reliability 3
Temperature 2
Value for money 2
Compatibility 3
Scores
Budget
Workstation
Gaming
Console
Laptop
Portable
Specifications
| 394HB 4TB SSD | Samsung 990 PRO | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 | 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) | ||
| Sequential Write (MB/s) | ||
| Random Read (IOPS) | ||
| Random Write (IOPS) | ||
| Hardware | ||
| NAND | TLC | TLC |
| DRAM Cache | ✗ | ✓★ |
| Controller | E18 | Samsung |
| Reliability | ||
| Endurance (TBW) | ||
| MTBF (hours) | ||
| Warranty (years) | 5 | 5 |
| Features | ||
| Heatsink | ✗ | ✓★ |
| Hardware Encryption | — | ✓★ |
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 990 PRO 1TB PCIe 4.0 x4 NVMe M.2 2280
- Strong feature (99th percentile)99th %ile
- Strong random (97th percentile)97th %ile
- Strong social proof (95th percentile)95th %ile
- Strong speed (94th percentile)94th %ile
Verdict
Winner: Samsung 990 PRO
Scores 90 overall, wins 4 of 6 usage categories and 8 of 18 specs.