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Samsung SSD PM991 NVMe 128GB

Price and performance details for the Samsung SSD PM991 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 PM991 NVMe 128GB

Description:  MZVLQ128HBHQ

Drive Size:  119.2 GB

Other names:  PM991 NVMe Samsung 128GB, SAMSUNG MZVLQ128HBHQ-00000, SAMSUNG MZVLQ128HBHQ-000, SAMSUNG MZVLQ128HBHQ-000H1

Drive First Benchmarked: 2020-06-10

Drive Rating/$Price: NA

Overall Rank:  5358

Last Price Change:  NA

Average Drive Rating
7588
Samples: 118

Disk Test Suite Average Results for Samsung SSD PM991 NVMe 128GB

Sequential Read1,326 MBytes/Sec
Sequential Write501 MBytes/Sec
Random Seek Read Write (IOPS 32KQD20)447 MBytes/Sec
IOPS 4KQD145 MBytes/Sec
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Drive Rating Relative to Top 10 HDDs Common Drives
As of 23rd of June 2025 - Higher results represent better performance
Drive Average Disk Rating
Samsung SSD PM991 NVMe 128GB
7,588
Seagate ST1000DM010
1,450
TOSHIBA DT01ACA100
1,296
WDC WD10EZEX
1,263
Seagate ST2000DM001
1,214
Seagate ST1000DM003
1,191
TOSHIBA MQ04ABF100
1,102
TOSHIBA DT01ACA050
1,096
WDC WD10SPZX
943
HGST HTS721010A9E630
820
Last 5 Baselines for Samsung SSD PM991 NVMe 128GB
Most recent listed first
Baseline Disk Rating
BL2630542 - May 17 2025
6279
BL2625217 - May 15 2025
7586
BL2599663 - May 03 2025
7261
BL2589768 - Apr 29 2025
10572
BL2584230 - Apr 27 2025
7506