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

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

394HB
92 Overall Score
vs
Western Digital BLACK SN770M 2TB PCIe 4.0 x4 NVMe M.2 2230

Western Digital BLACK SN770M 2TB PCIe 4.0 x4 NVMe M.2 2230

Western Digital
79 Overall Score

What Buyers Say

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

No customer feedback yet

Western Digital BLACK SN770M 2TB PCIe 4.0 x4 NVMe M.2 2230

88 out of 100 medium confidence 20 reviews

Users are overwhelmingly positive about this WD Black SN770M 2TB SSD, praising its speed, storage capacity, and ease of installation, especially for handheld devices like the Steam Deck, ROG Ally, and Legion Go. A few noted the price is high but justified by the brand's reliability. One verified review mentioned an adapter issue, but the retailer handled the return well.

Pros
  • Fast read/write speeds
  • Large 2TB capacity
  • Easy installation
  • Reliable brand
  • Great for handhelds
Cons
  • Expensive
  • Adapter compatibility issue
👍 Performance 5
👍 Storage capacity 4
👍 Ease of installation 4
🤔 Value for money 3
👍 Brand reliability 2
👍 Compatibility 3

Scores

Laptop
394HB
92
Western Digital
78
Gaming
394HB
88
Western Digital
74
Console
394HB
85
Western Digital
57
Workstation
394HB
84
Western Digital
71
Budget
394HB
76
Western Digital
72
Portable
394HB
24
Western Digital
20

Specifications

394HB 4TB SSDWestern Digital BLACK SN770M
Drive
Capacity
4,000
2,000
Form FactorM.2M.2 2230
InterfacePCIe 4.0 x4PCIe 4.0 x4
ProtocolNVMeNVMe
PCIe Generation44
External✗✗
Performance
Sequential Read (MB/s)
7,400
5,150
Sequential Write (MB/s)
6,800
4,850
Random Read (IOPS)
1,300,000
650,000
Random Write (IOPS)
1,300,000
800,000
Hardware
NANDTLCTLC
DRAM Cache✗✗
ControllerE18—
Reliability
Endurance (TBW)
50
1,200
MTBF (hours)
1,800,000
1,750,000
Warranty (years)55
Features
Heatsink✗✗
Hardware Encryption—✗

Pros & Cons

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

  • Strong random (97th percentile)97th %ile
  • Strong endurance (96th percentile)96th %ile
  • Strong speed (93rd percentile)93rd %ile
  • Strong capacity (93rd percentile)93rd %ile
  • Below average affordability (7th percentile)7th %ile

Western Digital BLACK SN770M 2TB PCIe 4.0 x4 NVMe M.2 2230

  • Strong social proof (95th percentile)95th %ile
  • Strong random (90th percentile)90th %ile
  • Strong endurance (88th percentile)88th %ile
  • Strong user sentiment (79th percentile)
  • Below average affordability (22nd percentile)

Pricing

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

Western Digital BLACK SN770M 2TB PCIe 4.0 x4 NVMe M.2 2230

No current pricing available

Verdict

★ Winner: 394HB 4TB SSD

Scores 92 overall, wins 6 of 6 usage categories and 6 of 18 specs.

394HB 4TB SSD Better at:

BudgetGamingLaptopConsolePortableWorkstation

Also Consider