394HB 4TB SSD PCIe 4.0 x4 NVMe M.2
394HB
82 Overall Score
vs
SanDisk Extreme Portable 2TB USB 3.2 Gen 2
SanDisk
65 Overall Score
What Buyers Say
394HB 4TB SSD PCIe 4.0 x4 NVMe M.2
No customer feedback yet
SanDisk Extreme Portable 2TB USB 3.2 Gen 2
82 out of 100 medium confidence 10 reviews
The SanDisk Extreme Portable SSD is widely praised for its fast transfer speeds, compact size, and rugged build, making it a favorite among photographers and videographers. However, one verified reviewer reported disconnects during sustained heavy writes, which is a concern for long backup jobs. Overall, it's seen as a reliable and convenient portable storage solution, though a bit pricey.
Pros
- Fast transfer speeds
- Compact and lightweight
- Rugged build with water/dust resistance
- Easy USB-C connectivity
- Reliable for everyday use
Cons
- Disconnects during sustained heavy writes
- Gets warm during long transfers
- Pricey compared to traditional drives
Transfer speed 8
Portability 7
Build quality 5
Reliability 4
Value for money 3
Thermal management 2
Scores
Portable
Laptop
Gaming
Console
Budget
Workstation
Specifications
| 394HB 4TB SSD | SanDisk Extreme Portable | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 | External |
| Interface | PCIe 4.0 x4 | USB 3.2 Gen 2 |
| Protocol | NVMe | NVMe |
| PCIe Generation | 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) | 50★ | — |
| 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
SanDisk Extreme Portable 2TB USB 3.2 Gen 2
- Strong feature (79th percentile)
- Strong capacity (79th percentile)
- Strong social proof (78th percentile)
- Below average affordability (31st percentile)
Verdict
Winner: 394HB 4TB SSD
Scores 82 overall, wins 4 of 6 usage categories and 8 of 18 specs.