Western Digital WD Black SN850X

Western Digital WD Black SN850X

Western Digital
99 Overall Score
vs
Samsung SSD

Samsung SSD

Samsung
64 Overall Score

What Buyers Say

Western Digital WD Black SN850X

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

No customer feedback yet

Scores

Budget
Western Digital
96
Samsung
68
Console
Western Digital
95
Samsung
25
Gaming
Western Digital
95
Samsung
51
Workstation
Western Digital
94
Samsung
67
Laptop
Western Digital
82
Samsung
57
Portable
Western Digital
25
Samsung
16

Specifications

Western Digital WD Black SN850XSamsung SSD
Drive
Capacity
4,000
4,000
Form FactorM.2 22802.5"
InterfacePCIe 4.0 x4SATA III
ProtocolNVMeSATA
PCIe Generation4★—
External✗✗
Performance
Sequential Read (MB/s)
7,300
550
Sequential Write (MB/s)
6,600
520
Random Read (IOPS)
1,200,000
98,000
Random Write (IOPS)
1,100,000
90,000
Hardware
NANDTLCTLC
DRAM Cache✓✓
Controller—MJX
Reliability
Endurance (TBW)
2,400
2,400
MTBF (hours)
1,750,000
1,500,000
Warranty (years)35★
Features
Heatsink✓★—
Hardware Encryption—✓★

Pros & Cons

Western Digital WD Black SN850X

  • Strong social proof (96th percentile)96th %ile
  • Strong random (95th percentile)95th %ile
  • Strong user sentiment (95th percentile)95th %ile
  • Strong feature (94th percentile)94th %ile

Samsung SSD

  • Strong feature (94th percentile)94th %ile
  • Strong capacity (93rd percentile)93rd %ile
  • Strong endurance (85th percentile)85th %ile
  • Below average social proof (14th percentile)14th %ile
  • Below average speed (34th percentile)

Pricing

Samsung SSD

No current pricing available

Verdict

★ Winner: Western Digital WD Black SN850X

Scores 99 overall, wins 6 of 6 usage categories and 7 of 18 specs.

Western Digital WD Black SN850X Better at:

BudgetGamingLaptopConsolePortableWorkstation

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