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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: 219.01

Overall Rank:  4057

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

Average Drive Rating
7654
Samples: 1411

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

Sequential Read1,066 MBytes/Sec
Sequential Write608 MBytes/Sec
Random Seek Read Write (IOPS 32KQD20)511 MBytes/Sec
IOPS 4KQD150 MBytes/Sec
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Drive Rating Relative to Top 10 Common Drives
As of 19th of March 2024 - Higher results represent better performance
Drive Average Disk Rating
Samsung SSD PM991 NVMe 256GB
7,654
TOSHIBA DT01ACA100
1,400
WDC WD10EZEX
1,344
Seagate ST1000DM010
1,338
Seagate ST2000DM001
1,257
Seagate ST1000DM003
1,249
TOSHIBA MQ04ABF100
1,133
TOSHIBA DT01ACA050
1,055
WDC WD10SPZX
974
HGST HTS721010A9E630
845
Last 5 Baselines for Samsung SSD PM991 NVMe 256GB
Most recent listed first
Baseline Disk Rating
BL2053534 - Mar 16 2024
7534
BL2051849 - Mar 15 2024
3500
BL2050835 - Mar 14 2024
4371
BL2050720 - Mar 13 2024
3584
BL2049638 - Mar 12 2024
6330