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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: 220.00

Overall Rank:  2571

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

Average Drive Rating
7689
Samples: 988

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

Sequential Read893 MBytes/Sec
Sequential Write665 MBytes/Sec
Random Seek Read Write (IOPS 32KQD20)554 MBytes/Sec
IOPS 4KQD153 MBytes/Sec
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Drive Rating Relative to Top 10 Common Drives
As of 28th of January 2023 - Higher results represent better performance
Drive Average Disk Rating
Samsung SSD PM991 NVMe 256GB
7,689
Seagate ST2000DM001
1,216
WDC WD10EZEX
1,214
Seagate ST1000DM003
1,198
TOSHIBA DT01ACA100
1,186
TOSHIBA DT01ACA050
1,070
Seagate ST1000DM010
1,069
TOSHIBA MQ04ABF100
925
HGST HTS721010A9E630
788
WDC WD5000AAKX
787
Last 5 Baselines for Samsung SSD PM991 NVMe 256GB
Most recent listed first
Baseline Disk Rating
BL1729855 - Jan 26 2023
10599
BL1729735 - Jan 26 2023
3767
BL1729693 - Jan 26 2023
10485
BL1728924 - Jan 25 2023
3006
BL1728331 - Jan 24 2023
10496