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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: 227.82

Overall Rank:  4876

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

Average Drive Rating
7962
Samples: 2072

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

Sequential Read1,298 MBytes/Sec
Sequential Write587 MBytes/Sec
Random Seek Read Write (IOPS 32KQD20)493 MBytes/Sec
IOPS 4KQD149 MBytes/Sec
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Drive Rating Relative to Top 10 HDDs Common Drives
As of 28th of March 2025 - Higher results represent better performance
Drive Average Disk Rating
Samsung SSD PM991 NVMe 256GB
7,962
Seagate ST2000DM008
2,365
Seagate ST1000DM010
1,476
TOSHIBA DT01ACA100
1,316
WDC WD10EZEX
1,284
Seagate ST2000DM001
1,225
Seagate ST1000DM003
1,207
TOSHIBA MQ04ABF100
1,127
TOSHIBA DT01ACA050
1,035
WDC WD10SPZX
921
PassMark Software © 2008-2025
Last 5 Baselines for Samsung SSD PM991 NVMe 256GB
Most recent listed first
Baseline Disk Rating
BL2508030 - Mar 25 2025
6246
BL2506472 - Mar 25 2025
6343
BL2505976 - Mar 25 2025
7715
BL2505148 - Mar 24 2025
4963
BL2505015 - Mar 24 2025
10844
PassMark Software © 2008-2025