Western Digital WD_BLACK SN850X 1TB PCIe 4.0 x4 NVMe M.2 2280

Western Digital WD_BLACK SN850X 1TB PCIe 4.0 x4 NVMe M.2 2280

Western Digital
83 Overall Score
vs
Samsung 9100 PRO 4TB PCIe 5.0 x4 NVMe M.2 2280

Samsung 9100 PRO 4TB PCIe 5.0 x4 NVMe M.2 2280

Samsung
100 Overall Score

Scores

Gaming
Western Digital
82
Samsung
100
Console
Western Digital
81
Samsung
100
Workstation
Western Digital
84
Samsung
100
Budget
Western Digital
88
Samsung
83
Laptop
Western Digital
73
Samsung
86
Portable
Western Digital
21
Samsung
27

Specifications

Western Digital WD_BLACK SN850XSamsung 9100 PRO
Drive
Capacity
1,000
4,000
Form FactorM.2 2280M.2 2280
InterfacePCIe 4.0 x4PCIe 5.0 x4
ProtocolNVMeNVMe
PCIe Generation45★
External✗✗
Performance
Sequential Read (MB/s)
7,300
14,800
Sequential Write (MB/s)
6,300
13,400
Random Read (IOPS)
800,000
2,200,000
Random Write (IOPS)
1,100,000
2,600,000
Hardware
NANDTLCTLC
DRAM Cache✓✓
Controller—In-House Controller
Reliability
Endurance (TBW)
600
2,400
MTBF (hours)
1,750,000
1,500,000
Warranty (years)35★
Features
Heatsink✓✓
Hardware Encryption—✓★

Pros & Cons

Western Digital WD_BLACK SN850X 1TB PCIe 4.0 x4 NVMe M.2 2280

  • Strong social proof (95th percentile)95th %ile
  • Strong feature (94th percentile)94th %ile
  • Strong random (93rd percentile)93rd %ile
  • Strong speed (85th percentile)85th %ile

Samsung 9100 PRO 4TB PCIe 5.0 x4 NVMe M.2 2280

  • Strong random (100th percentile)100th %ile
  • Strong feature (100th percentile)100th %ile
  • Strong social proof (100th percentile)100th %ile
  • Strong speed (99th percentile)99th %ile
  • Below average affordability (5th percentile)5th %ile

Verdict

★ Winner: Samsung 9100 PRO

Scores 100 overall, wins 5 of 6 usage categories and 9 of 18 specs.

Western Digital WD_BLACK SN850X Better at:

Budget

Samsung 9100 PRO Better at:

GamingLaptopConsolePortableWorkstation