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
99 Overall Score
vs
Samsung SSD PCIe 4.0 x4 NVMe M.2 2242

Samsung SSD PCIe 4.0 x4 NVMe M.2 2242

Samsung
49 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 SSD PCIe 4.0 x4 NVMe M.2 2242

No customer feedback yet

Scores

Laptop
Western Digital
97
Samsung
53
Gaming
Western Digital
94
Samsung
40
Workstation
Western Digital
94
Samsung
43
Console
Western Digital
90
Samsung
38
Budget
Western Digital
82
Samsung
73
Portable
Western Digital
25
Samsung
13

Specifications

Western Digital Black SN850XSamsung SSD
Drive
Capacity
4,000
512
Form FactorM.2 2280M.2 2242
InterfacePCIe 4.0 x4PCIe 4.0 x4
ProtocolNVMeNVMe
PCIe Generation44
External✗✗
Performance
Sequential Read (MB/s)
7,300
No data
Sequential Write (MB/s)
6,600
No data
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 (96th percentile)96th %ile
  • Strong social proof (95th percentile)95th %ile
  • Strong user sentiment (95th percentile)95th %ile
  • Strong capacity (93rd percentile)93rd %ile
  • Below average affordability (11th percentile)11th %ile

Samsung SSD PCIe 4.0 x4 NVMe M.2 2242

  • Strong speed (68th percentile)
  • Below average endurance (15th percentile)15th %ile
  • Below average capacity (35th percentile)

Pricing

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

No current pricing available

Samsung SSD PCIe 4.0 x4 NVMe M.2 2242

Verdict

★ Winner: Western Digital Black SN850X

Scores 99 overall, wins 6 of 6 usage categories and 9 of 18 specs.

Western Digital Black SN850X Better at:

BudgetGamingLaptopConsolePortableWorkstation

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