394HB 4TB SSD PCIe 4.0 x4 NVMe M.2
394HB
82 Overall Score
vs
Western Digital BLACK SN7100 4TB PCIe 4.0 x4 NVMe M.2 2280
Western Digital
80 Overall Score
What Buyers Say
394HB 4TB SSD PCIe 4.0 x4 NVMe M.2
No customer feedback yet
Western Digital BLACK SN7100 4TB PCIe 4.0 x4 NVMe M.2 2280
78 out of 100 medium confidence 11 reviews
The WD_BLACK SN7100 4TB NVMe SSD is praised for its fast performance, cool operation, and low power draw, making it a great upgrade for gaming handhelds like the Legion Go 2. Users report quick load times and smooth multitasking, though one reviewer experienced a drive failure and poor warranty support. A minor installation note mentions the drive's thinness requiring a thicker thermal pad in some devices.
Pros
- Fast performance
- Runs cool
- Low power draw
- Good value for price
- Easy installation
Cons
- Warranty support issues
- Drive failure after 3 months
- Thin design requires thicker thermal pad
Performance 4
Thermal management 3
Power efficiency 2
Value for money 2
Warranty support 1
Reliability 1
Scores
Laptop
Gaming
Console
Workstation
Budget
Portable
Specifications
| 394HB 4TB SSD | Western Digital BLACK SN7100 | |
|---|---|---|
| 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) | No data | |
| Random Write (IOPS) | No data | |
| Hardware | ||
| NAND | TLC | TLC |
| DRAM Cache | ✗ | ✗ |
| Controller | E18 | — |
| Reliability | ||
| Endurance (TBW) | ||
| MTBF (hours) | No data | |
| 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
Western Digital BLACK SN7100 4TB PCIe 4.0 x4 NVMe M.2 2280
- Strong social proof (100th percentile)100th %ile
- Strong capacity (93rd percentile)93rd %ile
- Strong speed (92nd percentile)92nd %ile
- Strong endurance (85th percentile)85th %ile
- Below average affordability (9th percentile)9th %ile
Pricing
Verdict
Tie
Both products are closely matched - 394HB 4TB SSD wins 4 specs while Western Digital BLACK SN7100 wins 2.
