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Hard Drive Benchmarks

Over 1,000,000 Hard Drives Benchmarked

WD BLACK SN850X

Price and performance details for the WD BLACK SN850X can be found below. This is made using thousands of PerformanceTest benchmark results and is updated daily.

  • The first graph shows the relative performance of the Hard Drive compared to the 10 other common Hard Drives in terms of PassMark Disk Rating.
  • The 2nd graph shows the value for money, in terms of the Disk Rating per dollar.

WD BLACK SN850X

Drive Size:  7.3 TB

Other names:  WD_BLACK SN850X SCSI Disk Device

Drive First Benchmarked: 2024-12-22

Drive Rating/$Price: NA

Overall Rank:  1191

Last Price Change:  NA

Average Drive Rating
37502
Samples: 6

Disk Test Suite Average Results for WD BLACK SN850X

Sequential Read5,423 MBytes/Sec
Sequential Write4,557 MBytes/Sec
Random Seek Read Write (IOPS 32KQD20)2,454 MBytes/Sec
IOPS 4KQD166 MBytes/Sec
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Drive Rating Relative to Top 10 Common Drives
As of 14th of April 2026 - Higher results represent better performance
Drive Average Disk Rating
Samsung 9100 PRO 2TB SSD
85,172
WD BLACK SN850X 2000GB
51,374
Samsung 990 Pro PM9F1 4TB SSD
50,817
Samsung 990 Pro PM9F1 2TB SSD
49,464
KINGSTON FURY Renegade 2TB SSD
49,142
KINGSTON KC3000 2TB
49,081
Samsung 990 Pro PM9F1 1TB SSD
48,261
WD BLACK SN850X 1TB
46,661
Kingston FURY Renegade 1TB SSD
44,306
WD BLACK SN850X
37,502
Last 5 Baselines for WD BLACK SN850X
Most recent listed first
Baseline Disk Rating
BL2784194 - Jul 23 2025
47350
BL2750934 - Jul 09 2025
26974
BL2578957 - Apr 24 2025
53379
BL2496469 - Mar 20 2025
53441
BL2293466 - Dec 22 2024
21933