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Samsung SSD PM991 NVMe 256GB

Price and performance details for the Samsung SSD PM991 NVMe 256GB 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 256GB

Description:  MZVLQ256HAJD

Drive Size:  238.5 GB

Other names:  PM991 NVMe Samsung 256GB, SAMSUNG MZVLQ256HAJD-000H1, SAMSUNG MZVLQ256HAJD-00000, NVMe PM991 NVMe Samsu, NVMe SAMSUNG MZVLQ256HAJD-00000, SAMSUNG MZVLQ256HAJD-000, NVMe PM991 NVMe Samsung 256GB, NVMe SAMSUNG MZVLQ256HAJD-000H1, SAMSUNG MZVLQ256HAJD-00007, SAMSUNG MZVLQ256HAJD-000AC, SAMSUNG MZVLQ256HAJD-00A00

Drive First Benchmarked: 2019-12-11

Drive Rating/$Price: 225.83

Overall Rank:  4469

Last Price Change:  $34.95 USD (2021-09-26)

Average Drive Rating
7893
Samples: 1855

Disk Test Suite Average Results for Samsung SSD PM991 NVMe 256GB

Sequential Read1,231 MBytes/Sec
Sequential Write597 MBytes/Sec
Random Seek Read Write (IOPS 32KQD20)500 MBytes/Sec
IOPS 4KQD149 MBytes/Sec
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Drive Rating Relative to Top 10 HDDs Common Drives
As of 23rd of January 2025 - Higher results represent better performance
Drive Average Disk Rating
Samsung SSD PM991 NVMe 256GB
7,893
Seagate ST2000DM008
2,122
Seagate ST1000DM010
1,511
TOSHIBA DT01ACA100
1,337
WDC WD10EZEX
1,297
Seagate ST2000DM001
1,229
Seagate ST1000DM003
1,216
TOSHIBA MQ04ABF100
1,145
TOSHIBA DT01ACA050
1,041
WDC WD10SPZX
938
PassMark Software © 2008-2025
Last 5 Baselines for Samsung SSD PM991 NVMe 256GB
Most recent listed first
Baseline Disk Rating
BL2354427 - Jan 20 2025
12103
BL2346633 - Jan 16 2025
11529
BL2346535 - Jan 16 2025
4092
BL2346404 - Jan 16 2025
4044
BL2345762 - Jan 16 2025
11546
PassMark Software © 2008-2025