Western Digital WD Black SN850X

Western Digital WD Black SN850X

Western Digital
99 Overall Score
vs
Samsung SSD

Samsung SSD

Samsung
68 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
66
Console
Western Digital
95
Samsung
28
Gaming
Western Digital
95
Samsung
57
Workstation
Western Digital
94
Samsung
71
Laptop
Western Digital
83
Samsung
74
Portable
Western Digital
25
Samsung
17

Specifications

Western Digital WD Black SN850XSamsung SSD
Drive
Capacity
4,000
500
Form FactorM.2 2280M.2
InterfacePCIe 4.0 x4PCIe 3.0
ProtocolNVMeNVMe
PCIe Generation4★3
External✗✗
Performance
Sequential Read (MB/s)
7,300
3,400
Sequential Write (MB/s)
6,600
2,300
Random Read (IOPS)
1,200,000
370,000
Random Write (IOPS)
1,100,000
450,000
Hardware
NANDTLCTLC
DRAM Cache✓✓
Controller—Samsung Phoenix
Reliability
Endurance (TBW)
2,400
300
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 social proof (100th percentile)100th %ile
  • Strong feature (94th percentile)94th %ile
  • Strong endurance (86th percentile)86th %ile
  • Strong random (85th percentile)85th %ile
  • Below average capacity (26th percentile)
  • Below average user sentiment (29th percentile)

Pricing

Samsung SSD is $421 cheaper (2.8x less).

Western Digital WD Black SN850X0.152score per dollar
vs
Samsung SSD0.298score per dollar

Samsung SSD offers 2.0x better value for money

Western Digital WD Black SN850X

Verdict

★ Winner: Western Digital WD Black SN850X

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

Western Digital WD Black SN850X Better at:

BudgetGamingLaptopConsolePortableWorkstation

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