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
Samsung 970 EVO Plus 1TB PCIe 3.0 x4 NVMe M.2 2280

Samsung 970 EVO Plus 1TB PCIe 3.0 x4 NVMe M.2 2280

Samsung
42 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

Samsung 970 EVO Plus 1TB PCIe 3.0 x4 NVMe M.2 2280

No customer feedback yet

Scores

Laptop
Western Digital
97
Samsung
45
Workstation
Western Digital
95
Samsung
43
Gaming
Western Digital
94
Samsung
45
Console
Western Digital
90
Samsung
23
Budget
Western Digital
82
Samsung
43
Portable
Western Digital
25
Samsung
12

Specifications

Western Digital Black SN850XSamsung 970 EVO Plus
Drive
Capacity
4,000
1,000
Form FactorM.2 2280M.2 2280
InterfacePCIe 4.0 x4PCIe 3.0 x4
ProtocolNVMeNVMe
PCIe Generation4★3
External✗✗
Performance
Sequential Read (MB/s)
7,300
3,500
Sequential Write (MB/s)
6,600
2,300
Random Read (IOPS)
1,200,000
No data
Random Write (IOPS)
1,100,000
No data
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

Samsung 970 EVO Plus 1TB PCIe 3.0 x4 NVMe M.2 2280

  • Below average endurance (15th percentile)15th %ile
  • Below average social proof (20th percentile)20th %ile
  • Below average affordability (26th percentile)

Pricing

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

Samsung 970 EVO Plus 1TB PCIe 3.0 x4 NVMe M.2 2280

No current pricing available

Verdict

★ Winner: Western Digital Black SN850X

Scores 100 overall, wins 6 of 6 usage categories and 10 of 18 specs.

Western Digital Black SN850X Better at:

BudgetGamingLaptopConsolePortableWorkstation

Also Consider