Western Digital WD Black SN850X

Western Digital WD Black SN850X

Western Digital
99 Overall Score
vs
ByteFest SSD

ByteFest SSD

ByteFest
37 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

ByteFest SSD

No customer feedback yet

Scores

Budget
Western Digital
96
ByteFest
24
Console
Western Digital
95
ByteFest
9
Gaming
Western Digital
95
ByteFest
21
Workstation
Western Digital
94
ByteFest
39
Laptop
Western Digital
82
ByteFest
28
Portable
Western Digital
25
ByteFest
7

Specifications

Western Digital WD Black SN850XByteFest SSD
Drive
Capacity
4,000
64
Form FactorM.2 2280M.2 2242
InterfacePCIe 4.0 x4SATA III
ProtocolNVMeSATA
PCIe Generation4★—
External✗✗
Performance
Sequential Read (MB/s)
7,300
550
Sequential Write (MB/s)
6,600
500
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
900
MTBF (hours)
1,750,000
No data
Warranty (years)3★—
Features
Heatsink✓★—

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

ByteFest SSD

  • Strong endurance (99th percentile)99th %ile
  • Below average capacity (2nd percentile)2nd %ile
  • Below average random (22nd percentile)
  • Below average speed (28th percentile)

Verdict

★ Winner: Western Digital WD Black SN850X

Scores 99 overall, wins 6 of 6 usage categories and 11 of 16 specs.

Western Digital WD Black SN850X Better at:

BudgetGamingLaptopConsolePortableWorkstation