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Samsung SSD PM991a NVMe 128GB

Price and performance details for the Samsung SSD PM991a NVMe 128GB 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.

Samsung SSD PM991a NVMe 128GB

Description:  MZVLQ128HCHQ

Drive Size:  119.2 GB

Other names:  PM991a NVMe Samsung 128GB

Drive First Benchmarked: 2021-03-14

Drive Rating/$Price: NA

Overall Rank:  6527

Last Price Change:  NA

Average Drive Rating
9277
Samples: 60

Disk Test Suite Average Results for Samsung SSD PM991a NVMe 128GB

Sequential Read1,974 MBytes/Sec
Sequential Write541 MBytes/Sec
Random Seek Read Write (IOPS 32KQD20)440 MBytes/Sec
IOPS 4KQD146 MBytes/Sec
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Drive Rating Relative to Top 10 Common Drives
As of 14th of June 2026 - Higher results represent better performance
Drive Average Disk Rating
Samsung SSD PM991a NVMe 128GB
9,277
Seagate ST1000DM010
1,353
Seagate Barracuda 2TB Hard Drive
1,304
TOSHIBA DT01ACA100
1,240
WDC WD10EZEX
1,216
Seagate ST1000DM003
1,170
TOSHIBA DT01ACA050
1,126
TOSHIBA MQ04ABF100
1,048
WDC WD10SPZX
896
TOSHIBA MQ01ABD100
808
Last 5 Baselines for Samsung SSD PM991a NVMe 128GB
Most recent listed first
Baseline Disk Rating
BL3478572 - May 19 2026
9257
BL3474483 - May 17 2026
10483
BL3459031 - May 09 2026
11849
BL3458419 - May 09 2026
6707
BL3452593 - May 06 2026
11913