Western Digital Black SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280

Western Digital Black SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280

Western Digital
100 Overall Score
vs
BIWIN Black Opal NV7400 1TB PCIe 4.0 x4 NVMe M.2 2280

BIWIN Black Opal NV7400 1TB PCIe 4.0 x4 NVMe M.2 2280

BIWIN
70 Overall Score

What Buyers Say

Western Digital Black SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280

92 out of 100 medium confidence 17 reviews

The WD Black SN850X is highly praised for its blazing speed, reliability, and value, often compared favorably to pricier alternatives like Samsung and Solidigm. Users report excellent performance in gaming (especially PS5) and general use, with a few concerns about potential issues mitigated by firmware updates. Overall, it's seen as a top-tier NVMe drive, especially when on sale.

Pros
  • Blazing fast speeds
  • Excellent value for money
  • Reliable high-capacity storage
  • Great for PS5
  • Easy installation
Cons
  • Potential firmware issues
  • No heatsink included
  • Pricey when not on sale
👍 Speed 6
👍 Value for money 4
👍 Reliability 4
👍 Ps5 compatibility 3
👎 Firmware concerns 2
👍 Installation 2

BIWIN Black Opal NV7400 1TB PCIe 4.0 x4 NVMe M.2 2280

No customer feedback yet

Scores

Laptop
Western Digital
97
BIWIN
65
Workstation
Western Digital
95
BIWIN
61
Gaming
Western Digital
94
BIWIN
72
Console
Western Digital
90
BIWIN
75
Budget
Western Digital
82
BIWIN
88
Portable
Western Digital
25
BIWIN
20

Specifications

Western Digital Black SN850XBIWIN Black Opal NV7400
Drive
Capacity
4,000
1,000
Form FactorM.2 2280M.2 2280
InterfacePCIe 4.0 x4PCIe 4.0 x4
ProtocolNVMeNVMe
PCIe Generation44
External✗✗
Performance
Sequential Read (MB/s)
7,300
7,450
Sequential Write (MB/s)
6,600
6,500
Random Read (IOPS)
1,200,000
1,000,000
Random Write (IOPS)
1,100,000
900,000
Hardware
NANDTLCTLC
DRAM Cache✓★✗
ControllerWD 20-82-20035-B1—
Reliability
Endurance (TBW)
2,400
No data
MTBF (hours)
1,750,000
No data
Warranty (years)5★—
Features
Heatsink✗✓★
Hardware Encryption✗—

Pros & Cons

Western Digital Black SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280

  • Strong random (95th percentile)95th %ile
  • Strong social proof (95th percentile)95th %ile
  • Strong user sentiment (94th percentile)94th %ile
  • Strong capacity (93rd percentile)93rd %ile
  • Below average affordability (11th percentile)11th %ile

BIWIN Black Opal NV7400 1TB PCIe 4.0 x4 NVMe M.2 2280

  • Strong random (93rd percentile)93rd %ile
  • Strong speed (90th percentile)90th %ile
  • Strong social proof (87th percentile)87th %ile
  • Strong feature (79th percentile)
  • Below average endurance (15th percentile)15th %ile

Pricing

Western Digital Black SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280

No current pricing available

BIWIN Black Opal NV7400 1TB PCIe 4.0 x4 NVMe M.2 2280

Verdict

★ Winner: Western Digital Black SN850X

Scores 100 overall, wins 5 of 6 usage categories and 8 of 18 specs.

Western Digital Black SN850X Better at:

GamingLaptopConsolePortableWorkstation

BIWIN Black Opal NV7400 Better at:

Budget

Also Consider