Western Digital Black SN850X

Western Digital Black SN850X

Western Digital
85 Overall Score
vs
Samsung 9100 PRO

Samsung 9100 PRO

Samsung
95 Overall Score

Scores

Gaming
Western Digital
84
Samsung
97
Console
Western Digital
83
Samsung
97
Workstation
Western Digital
88
Samsung
96
Budget
Western Digital
72
Samsung
94
Laptop
Western Digital
65
Samsung
83
Portable
Western Digital
22
Samsung
25

Specifications

Western Digital Black SN850XSamsung 9100 PRO
Drive
Capacity
8,000
4,000
Form FactorM.2 2280M.2 2280
InterfacePCIe 4.0 x4PCIe 5.0 x4
ProtocolNVMeNVMe
PCIe Generation45★
External✗✗
Performance
Sequential Read (MB/s)
7,200
14,800
Sequential Write (MB/s)
6,600
13,400
Random Read (IOPS)
1,200,000
2,200,000
Random Write (IOPS)
1,200,000
2,600,000
Hardware
NANDTLCTLC
DRAM Cache✓✓
Controller—Samsung in-house Controller
Reliability
Endurance (TBW)
4,800
2,400
MTBF (hours)
1,750,000
1,500,000
Warranty (years)35★
Features
Heatsink✓✓
Hardware Encryption—✓★

Pros & Cons

Western Digital Black SN850X

  • Strong capacity (98th percentile)98th %ile
  • Strong random (96th percentile)96th %ile
  • Strong feature (94th percentile)94th %ile
  • Strong speed (86th percentile)86th %ile
  • Below average social proof (7th percentile)7th %ile

Samsung 9100 PRO

  • Strong random (100th percentile)100th %ile
  • Strong feature (100th percentile)100th %ile
  • Strong speed (99th percentile)99th %ile
  • Strong capacity (93rd percentile)93rd %ile

Pricing

Samsung 9100 PRO is $397 cheaper (1.5x less).

Western Digital Black SN850X0.068score per dollar
vs
Samsung 9100 PRO0.112score per dollar

Samsung 9100 PRO offers 1.6x better value for money

Verdict

★ Winner: Samsung 9100 PRO

Scores 95 overall, wins 6 of 6 usage categories and 7 of 18 specs.

Samsung 9100 PRO Better at:

BudgetGamingLaptopConsolePortableWorkstation

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