Western Digital WD_BLACK SN850X

Western Digital WD_BLACK SN850X

Western Digital
95 Overall Score
vs
Intel D7

Intel D7

Intel
64 Overall Score

Scores

Laptop
Western Digital
100
Intel
31
Budget
Western Digital
98
Intel
28
Gaming
Western Digital
95
Intel
41
Workstation
Western Digital
95
Intel
58
Console
Western Digital
91
Intel
25
Portable
Western Digital
25
Intel
17

Specifications

Western Digital WD_BLACK SN850XIntel D7
Drive
Capacity
4,000
1,600
Form FactorM.2 2280U.2
InterfacePCIe 4.0 x4PCIe 5.0 x4
ProtocolNVMeNVMe
PCIe Generation45★
External✗✗
Performance
Sequential Read (MB/s)
7,300
14,160
Sequential Write (MB/s)
6,600
4,000
Random Read (IOPS)
1,200,000
No data
Random Write (IOPS)
1,100,000
No data
Hardware
NANDTLC★QLC
DRAM Cache✓★—
ControllerWD 20-82-20035-B1—
Reliability
Endurance (TBW)
2,400
8,908
MTBF (hours)
1,750,000
2,500,000
Warranty (years)55
Features
Heatsink✗—
Hardware Encryption✗—

Pros & Cons

Western Digital WD_BLACK SN850X

  • Strong social proof (100th percentile)100th %ile
  • Strong random (95th percentile)95th %ile
  • Strong capacity (93rd percentile)93rd %ile
  • Strong feature (89th percentile)89th %ile

Intel D7

  • Strong endurance (100th percentile)100th %ile
  • Strong speed (95th percentile)95th %ile
  • Strong capacity (67th percentile)
  • Below average feature (29th percentile)

Pricing

Western Digital WD_BLACK SN850X

Intel D7

No current pricing available

Verdict

★ Winner: Western Digital WD_BLACK SN850X

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

Western Digital WD_BLACK SN850X Better at:

BudgetGamingLaptopConsolePortableWorkstation

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