Western Digital WD_BLACK SN850X 8TB PCIe 4.0 x4 NVMe M.2 2280

Western Digital WD_BLACK SN850X 8TB PCIe 4.0 x4 NVMe M.2 2280

Western Digital
97 Overall Score
vs
Timetec 256GB SSD PCIe 3.0 x4 NVMe M.2 2280

Timetec 256GB SSD PCIe 3.0 x4 NVMe M.2 2280

Timetec
50 Overall Score

Scores

Workstation
Western Digital
97
Timetec
51
Gaming
Western Digital
94
Timetec
38
Console
Western Digital
94
Timetec
17
Laptop
Western Digital
73
Timetec
49
Budget
Western Digital
71
Timetec
41
Portable
Western Digital
26
Timetec
11

Specifications

Western Digital WD_BLACK SN850XTimetec 256GB SSD
Drive
Capacity
8,000
256
Form FactorM.2 2280M.2 2280
InterfacePCIe 4.0 x4PCIe 3.0 x4
ProtocolNVMeNVMe
PCIe Generation4★3
External✗✗
Performance
Sequential Read (MB/s)
7,200
2,100
Sequential Write (MB/s)
6,600
1,600
Random Read (IOPS)
1,200,000
No data
Random Write (IOPS)
1,200,000
No data
Hardware
NANDTLCTLC
DRAM Cache✓★—
Reliability
Endurance (TBW)
4,800
150
MTBF (hours)
1,750,000
1,500,000
Warranty (years)55
Features
Heatsink✓★✗

Pros & Cons

Western Digital WD_BLACK SN850X 8TB PCIe 4.0 x4 NVMe M.2 2280

  • Strong capacity (98th percentile)98th %ile
  • Strong random (96th percentile)96th %ile
  • Strong social proof (95th percentile)95th %ile
  • Strong feature (94th percentile)94th %ile
  • Below average affordability (4th percentile)4th %ile

Timetec 256GB SSD PCIe 3.0 x4 NVMe M.2 2280

  • Strong endurance (85th percentile)85th %ile
  • Below average affordability (15th percentile)15th %ile
  • Below average capacity (18th percentile)18th %ile

Pricing

Timetec 256GB SSD PCIe 3.0 x4 NVMe M.2 2280 is ¥139,861 cheaper (2.3x less).

Western Digital WD_BLACK SN850X 8TB PCIe 4.0 x4 NVMe M.2 2280

Timetec 256GB SSD PCIe 3.0 x4 NVMe M.2 2280

Verdict

★ Winner: Western Digital WD_BLACK SN850X

Scores 97 overall, wins 6 of 6 usage categories and 10 of 16 specs.

Western Digital WD_BLACK SN850X Better at:

BudgetGamingLaptopConsolePortableWorkstation

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