Western Digital WD_BLACK SN850X

Western Digital WD_BLACK SN850X

Western Digital
99 Overall Score
vs
ADATA SSD

ADATA SSD

ADATA
39 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

ADATA SSD

No customer feedback yet

Scores

Budget
Western Digital
96
ADATA
53
Console
Western Digital
95
ADATA
13
Gaming
Western Digital
94
ADATA
25
Workstation
Western Digital
94
ADATA
34
Laptop
Western Digital
84
ADATA
40
Portable
Western Digital
26
ADATA
10

Specifications

Western Digital WD_BLACK SN850XADATA SSD
Drive
Capacity
4,000
512
Form FactorM.2 22802.5"
InterfacePCIe 4.0 x4SATA III
ProtocolNVMeSATA
PCIe Generation4★—
External✗✗
Performance
Sequential Read (MB/s)
7,300
520
Sequential Write (MB/s)
6,600
450
Random Read (IOPS)
1,200,000
No data
Random Write (IOPS)
1,100,000
No data
Hardware
NANDTLCTLC
DRAM Cache✓★✗
Reliability
Endurance (TBW)
2,400
No data
MTBF (hours)
1,750,000
2,000,000
Warranty (years)33
Features
Heatsink✓★—

Pros & Cons

Western Digital WD_BLACK SN850X

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

ADATA SSD

  • Strong social proof (80th percentile)80th %ile
  • Below average speed (16th percentile)16th %ile
  • Below average random (22nd percentile)
  • Below average capacity (34th percentile)

Verdict

★ Winner: Western Digital WD_BLACK SN850X

Scores 99 overall, wins 6 of 6 usage categories and 9 of 16 specs.

Western Digital WD_BLACK SN850X Better at:

BudgetGamingLaptopConsolePortableWorkstation