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Seagate ST21G8SS4D25K

Price and performance details for the Seagate ST21G8SS4D25K 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.

Seagate ST21G8SS4D25K

Drive Size:  119.2 GB

Other names:  ST21G8SS4D25 K

Drive First Benchmarked: 2025-03-10

Drive Rating/$Price: NA

Overall Rank:  11613

Last Price Change:  NA

Average Drive Rating
3005
Samples: 22

Disk Test Suite Average Results for Seagate ST21G8SS4D25K

Sequential Read517 MBytes/Sec
Sequential Write273 MBytes/Sec
Random Seek Read Write (IOPS 32KQD20)173 MBytes/Sec
IOPS 4KQD139 MBytes/Sec
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Drive Rating Relative to Top 10 Common Drives
As of 7th of February 2026 - Higher results represent better performance
Drive Average Disk Rating
Seagate ST21G8SS4D25K
3,005
Seagate ST2000DM008
2,313
Seagate ST1000DM010
1,379
Seagate Barracuda 2TB Hard Drive
1,317
TOSHIBA DT01ACA100
1,255
WDC WD10EZEX
1,218
Seagate ST1000DM003
1,176
TOSHIBA DT01ACA050
1,144
TOSHIBA MQ04ABF100
1,062
WDC WD10SPZX
902
Last 5 Baselines for Seagate ST21G8SS4D25K
Most recent listed first
Baseline Disk Rating
BL3234302 - Jan 22 2026
1518
BL3122010 - Dec 10 2025
3286
BL3087652 - Nov 27 2025
3065
BL3086727 - Nov 27 2025
3091
BL2977696 - Oct 15 2025
3177