Western Digital WD_BLACK SN850X

Western Digital WD_BLACK SN850X

Western Digital
95 Overall Score
vs
Timetec SSD

Timetec SSD

Timetec
42 Overall Score

Scores

Laptop
Western Digital
100
Timetec
43
Budget
Western Digital
98
Timetec
37
Gaming
Western Digital
95
Timetec
32
Workstation
Western Digital
95
Timetec
40
Console
Western Digital
91
Timetec
15
Portable
Western Digital
25
Timetec
9

Specifications

Western Digital WD_BLACK SN850XTimetec SSD
Drive
Capacity
4,000
256
Form FactorM.2 2280M.2 2280
InterfacePCIe 4.0 x4PCIe 3.0 x4
ProtocolNVMeNVMe
PCIe Generation4★3
External✗✗
Performance
Sequential Read (MB/s)
7,300
2,100
Sequential Write (MB/s)
6,600
1,600
Random Read (IOPS)
1,200,000
No data
Random Write (IOPS)
1,100,000
No data
Hardware
NANDTLCTLC
DRAM Cache✓★✗
ControllerWD 20-82-20035-B1—
Reliability
Endurance (TBW)
2,400
No data
MTBF (hours)
1,750,000
1,500,000
Warranty (years)55
Features
Heatsink✗—
Hardware Encryption✗—

Pros & Cons

Western Digital WD_BLACK SN850X

  • Strong social proof (100th percentile)100th %ile
  • Strong random (95th percentile)95th %ile
  • Strong capacity (93rd percentile)93rd %ile
  • Strong feature (89th percentile)89th %ile

Timetec SSD

  • Below average social proof (12th percentile)12th %ile
  • Below average capacity (17th percentile)17th %ile

Verdict

★ Winner: Western Digital WD_BLACK SN850X

Scores 95 overall, wins 6 of 6 usage categories and 9 of 18 specs.

Western Digital WD_BLACK SN850X Better at:

BudgetGamingLaptopConsolePortableWorkstation