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
Ediloca 1TB SSD

Ediloca 1TB SSD

Ediloca
72 Overall Score

Scores

Gaming
Western Digital
95
Ediloca
75
Console
Western Digital
95
Ediloca
74
Workstation
Western Digital
94
Ediloca
71
Budget
Western Digital
81
Ediloca
82
Laptop
Western Digital
81
Ediloca
77
Portable
Western Digital
25
Ediloca
20

Specifications

Western Digital WD_BLACK SN850XEdiloca 1TB SSD
Drive
Capacity
4,000
1,000
Form FactorM.2 2280M.2 2280
InterfacePCIe 4.0 x4PCIe 5.0 x4
ProtocolNVMeNVMe
PCIe Generation45★
External✗✗
Performance
Sequential Read (MB/s)
7,300
14,000
Sequential Write (MB/s)
6,600
10,000
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)33
Features
Heatsink✓★—
Hardware Encryption—✓★

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

Ediloca 1TB SSD

  • Strong feature (98th percentile)98th %ile
  • Strong speed (97th percentile)97th %ile
  • Strong random (81st percentile)81st %ile
  • Strong social proof (78th percentile)

Verdict

★ Winner: Western Digital WD_BLACK SN850X

Scores 94 overall, wins 5 of 6 usage categories and 6 of 17 specs.

Western Digital WD_BLACK SN850X Better at:

GamingLaptopConsolePortableWorkstation