Western Digital WD Black SN850X

Western Digital WD Black SN850X

Western Digital
99 Overall Score
vs
Samsung SSD

Samsung SSD

Samsung
67 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
78
Console
Western Digital
95
Samsung
28
Gaming
Western Digital
95
Samsung
47
Workstation
Western Digital
94
Samsung
65
Portable
Western Digital
25
Samsung
89
Laptop
Western Digital
82
Samsung
36

Specifications

Western Digital WD Black SN850XSamsung SSD
Drive
Capacity
4,000
1,000
Form FactorM.2 2280External
InterfacePCIe 4.0 x4USB 3.2 Gen 2
ProtocolNVMeNVMe
PCIe Generation4★—
External✗✓
Performance
Sequential Read (MB/s)
7,300
1,050
Sequential Write (MB/s)
6,600
1,000
Random Read (IOPS)
1,200,000
No data
Random Write (IOPS)
1,100,000
No data
Hardware
NANDTLCMLC★
DRAM Cache✓✓
Reliability
Endurance (TBW)
2,400
No data
MTBF (hours)
1,750,000
No data
Warranty (years)33
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 (98th percentile)98th %ile
  • Strong social proof (96th percentile)96th %ile
  • Strong random (81st percentile)81st %ile

Verdict

★ Winner: Western Digital WD Black SN850X

Scores 99 overall, wins 5 of 6 usage categories and 9 of 17 specs.

Western Digital WD Black SN850X Better at:

BudgetGamingLaptopConsoleWorkstation

Samsung SSD Better at:

Portable