394HB 4TB SSD PCIe 4.0 x4 NVMe M.2

394HB 4TB SSD PCIe 4.0 x4 NVMe M.2

394HB
82 Overall Score
vs
Western Digital WD_BLACK SN7100 1TB PCIe 4.0 x4 NVMe M.2 2280

Western Digital WD_BLACK SN7100 1TB PCIe 4.0 x4 NVMe M.2 2280

Western Digital
87 Overall Score

What Buyers Say

394HB 4TB SSD PCIe 4.0 x4 NVMe M.2

No customer feedback yet

Western Digital WD_BLACK SN7100 1TB PCIe 4.0 x4 NVMe M.2 2280

92 out of 100 medium confidence 11 reviews

Users are overwhelmingly positive about this SSD, praising its speed, cool operation, and reliability. Verified buyers report fast boot times and sustained performance, with CrystalDiskInfo showing 100% health after months of use. The only minor gripe is the lack of an included mounting screw, but overall it's seen as a great budget-friendly option.

Pros
  • Fast speeds
  • Runs cool
  • Reliable
  • Easy installation
  • Good value for money
Cons
  • No mounting screw included
👍 Speed 6
👍 Reliability 5
👍 Thermal performance 2
👍 Installation 3
👍 Value for money 2
👎 Accessories 1

Scores

Budget
394HB
71
Western Digital
93
Laptop
394HB
86
Western Digital
86
Gaming
394HB
82
Western Digital
79
Console
394HB
80
Western Digital
76
Workstation
394HB
75
Western Digital
75
Portable
394HB
23
Western Digital
21

Specifications

394HB 4TB SSDWestern Digital WD_BLACK SN7100
Drive
Capacity
4,000
1,000
Form FactorM.2M.2 2280
InterfacePCIe 4.0 x4PCIe 4.0 x4
ProtocolNVMeNVMe
PCIe Generation44
External✗✗
Performance
Sequential Read (MB/s)
7,400
7,250
Sequential Write (MB/s)
6,800
6,900
Random Read (IOPS)
1,300,000
1,000,000
Random Write (IOPS)
1,300,000
1,400,000
Hardware
NANDTLCTLC
DRAM Cache✗✗
ControllerE18—
Reliability
Endurance (TBW)
50
600
MTBF (hours)
1,800,000
1,750,000
Warranty (years)5★3
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

Western Digital WD_BLACK SN7100 1TB PCIe 4.0 x4 NVMe M.2 2280

  • Strong random (96th percentile)96th %ile
  • Strong social proof (95th percentile)95th %ile
  • Strong user sentiment (95th percentile)95th %ile
  • Strong speed (92nd percentile)92nd %ile

Pricing

394HB 4TB SSD PCIe 4.0 x4 NVMe M.2

No current pricing available

Western Digital WD_BLACK SN7100 1TB PCIe 4.0 x4 NVMe M.2 2280

Verdict

★ Winner: Western Digital WD_BLACK SN7100

Scores 87 overall, wins 1 of 6 usage categories and 3 of 17 specs.

394HB 4TB SSD Better at:

GamingConsole

Western Digital WD_BLACK SN7100 Better at:

Budget

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