Western Digital BLACK SN850X

Western Digital BLACK SN850X

Western Digital
86 Overall Score
vs
Lufasnd SSD

Lufasnd SSD

Lufasnd
28 Overall Score

Scores

Workstation
Western Digital
86
Lufasnd
26
Budget
Western Digital
86
Lufasnd
38
Gaming
Western Digital
84
Lufasnd
20
Console
Western Digital
84
Lufasnd
10
Laptop
Western Digital
77
Lufasnd
30
Portable
Western Digital
22
Lufasnd
8

Specifications

Western Digital BLACK SN850XLufasnd SSD
Drive
Capacity
1,000
512
Form FactorM.2 22802.5"
InterfacePCIe 4.0 x4SATA III
ProtocolNVMeSATA
PCIe Generation4★—
External✗✗
Performance
Sequential Read (MB/s)
7,300
520
Sequential Write (MB/s)
6,350
500
Random Read (IOPS)
800,000
No data
Random Write (IOPS)
1,100,000
No data
Hardware
NANDTLCTLC
DRAM Cache✗—
Reliability
Endurance (TBW)
600
No data
MTBF (hours)
1,750,000
No data
Warranty (years)5★—
Features
Heatsink✗—
Hardware Encryption✗—

Pros & Cons

Western Digital BLACK SN850X

  • Strong social proof (96th percentile)96th %ile
  • Strong feature (94th percentile)94th %ile
  • Strong random (93rd percentile)93rd %ile
  • Strong endurance (88th percentile)88th %ile

Lufasnd SSD

  • Below average endurance (14th percentile)14th %ile
  • Below average random (22nd percentile)
  • Below average speed (22nd percentile)
  • Below average capacity (34th percentile)

Verdict

★ Winner: Western Digital BLACK SN850X

Scores 86 overall, wins 6 of 6 usage categories and 9 of 17 specs.

Western Digital BLACK SN850X Better at:

BudgetGamingLaptopConsolePortableWorkstation