Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280

Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280

Western Digital
94 Overall Score
vs
KINGDATA 64GB SSD SATA III M.2 2242

KINGDATA 64GB SSD SATA III M.2 2242

KINGDATA
32 Overall Score

Scores

Console
Western Digital
95
KINGDATA
10
Gaming
Western Digital
95
KINGDATA
21
Workstation
Western Digital
94
KINGDATA
30
Budget
Western Digital
81
KINGDATA
61
Laptop
Western Digital
81
KINGDATA
27
Portable
Western Digital
25
KINGDATA
8

Specifications

Western Digital WD_BLACK SN850XKINGDATA 64GB 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
580
Sequential Write (MB/s)
6,600
530
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
1,750,000
Warranty (years)3★—
Features
Heatsink✓★—

Pros & Cons

Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280

  • Strong random (96th percentile)96th %ile
  • Strong social proof (95th percentile)95th %ile
  • Strong feature (94th percentile)94th %ile
  • Strong capacity (93rd percentile)93rd %ile
  • Below average affordability (9th percentile)9th %ile

KINGDATA 64GB SSD SATA III M.2 2242

  • Strong affordability (99th percentile)99th %ile
  • Below average capacity (2nd percentile)2nd %ile
  • Below average random (22nd percentile)
  • Below average endurance (32nd percentile)

Verdict

★ Winner: Western Digital WD_BLACK SN850X

Scores 94 overall, wins 6 of 6 usage categories and 10 of 16 specs.

Western Digital WD_BLACK SN850X Better at:

BudgetGamingLaptopConsolePortableWorkstation