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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: 229.44

Overall Rank:  4879

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

Average Drive Rating
8019
Samples: 2158

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

Sequential Read1,324 MBytes/Sec
Sequential Write588 MBytes/Sec
Random Seek Read Write (IOPS 32KQD20)493 MBytes/Sec
IOPS 4KQD148 MBytes/Sec
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Drive Rating Relative to Top 10 HDDs Common Drives
As of 22nd of April 2025 - Higher results represent better performance
Drive Average Disk Rating
Samsung SSD PM991 NVMe 256GB
8,019
Seagate ST1000DM010
1,471
TOSHIBA DT01ACA100
1,308
WDC WD10EZEX
1,277
Seagate ST2000DM001
1,221
Seagate ST1000DM003
1,201
TOSHIBA MQ04ABF100
1,121
TOSHIBA DT01ACA050
1,088
WDC WD10SPZX
913
HGST HTS721010A9E630
826
PassMark Software © 2008-2025
Last 5 Baselines for Samsung SSD PM991 NVMe 256GB
Most recent listed first
Baseline Disk Rating
BL2568835 - Apr 20 2025
12206
BL2568681 - Apr 20 2025
11755
BL2568345 - Apr 20 2025
12223
BL2568271 - Apr 20 2025
11691
BL2567823 - Apr 20 2025
12234
PassMark Software © 2008-2025