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
Addlink G55 1TB PCIe 5.0 x4 NVMe M.2

Addlink G55 1TB PCIe 5.0 x4 NVMe M.2

Addlink
67 Overall Score

Scores

Console
Western Digital
95
Addlink
66
Gaming
Western Digital
95
Addlink
66
Workstation
Western Digital
94
Addlink
61
Budget
Western Digital
81
Addlink
75
Laptop
Western Digital
81
Addlink
70
Portable
Western Digital
25
Addlink
18

Specifications

Western Digital WD_BLACK SN850XAddlink G55
Drive
Capacity
4,000
1,000
Form FactorM.2 2280M.2
InterfacePCIe 4.0 x4PCIe 5.0 x4
ProtocolNVMeNVMe
PCIe Generation45★
External✗✗
Performance
Sequential Read (MB/s)
7,300
10,300
Sequential Write (MB/s)
6,600
9,000
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
No data
Warranty (years)35★
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

Addlink G55 1TB PCIe 5.0 x4 NVMe M.2

  • Strong speed (96th percentile)96th %ile
  • Strong feature (72nd percentile)

Verdict

★ Winner: Western Digital WD_BLACK SN850X

Scores 94 overall, wins 6 of 6 usage categories and 7 of 16 specs.

Western Digital WD_BLACK SN850X Better at:

BudgetGamingLaptopConsolePortableWorkstation