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PM991 NVMe Samsung 256GB

Price and performance details for the PM991 NVMe Samsung 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.

PM991 NVMe Samsung 256GB

Drive Size:  238.5 GB

Other names:  PM991 NVMe Samsung 256GB

Drive First Benchmarked: 2019-12-11

Drive Rating/$Price: 139.34

Overall Rank:  1429

Last Price Change:  $49 USD (2021-06-13)

Average Drive Rating
6828
Samples: 63

Disk Test Suite Average Results for PM991 NVMe Samsung 256GB

Sequential Read837 MBytes/Sec
Sequential Write575 MBytes/Sec
Random Seek Read Write (IOPS 32KQD20)460 MBytes/Sec
IOPS 4KQD144 MBytes/Sec
MerchantPrice (USD)Purchase
$49.00Buy Now!
NADrive Not Available. See Other Models
Drive Rating Relative to Top 10 Common Drives
As of 21st of June 2021 - Higher results represent better performance
Drive Average Disk Rating
Samsung SSD 980 PRO 1TB
33,552
Corsair Force MP600 1TB
30,623
Samsung SSD 980 PRO 500GB
30,395
Sabrent ROCKET 4.0 1TB
30,266
Gigabyte AORUS NVMe Gen4 M.2 1TB
30,206
Samsung SSD 970 EVO Plus 2TB
25,158
Force MP600
24,889
WD Black SN750 NVMe 1TB
24,481
Samsung SSD 970 EVO Plus 1TB
24,214
PM991 NVMe Samsung 256GB
6,828
Drive Value (Drive Rating / $Price )
As of 21st of June 2021 - Higher results represent better value
Drive Disk Rating / $Price
Force MP600
226.29
Gigabyte AORUS NVMe Gen4 M.2 1TB
188.80
WD Black SN750 NVMe 1TB
163.22
Corsair Force MP600 1TB
159.50
Samsung SSD 980 PRO 500GB
155.88
Samsung SSD 980 PRO 1TB
145.88
PM991 NVMe Samsung 256GB
139.34
Samsung SSD 970 EVO Plus 1TB
111.08
Samsung SSD 970 EVO Plus 2TB
51.13
Sabrent ROCKET 4.0 1TB
0.00
Last 5 Baselines for PM991 NVMe Samsung 256GB
Most recent listed first
Baseline Disk Rating
BL1417488 - Jun 13 2021
3359
BL1403955 - May 10 2021
3242
BL1400348 - Apr 29 2021
9621
BL1399746 - Apr 28 2021
9513
BL1398402 - Apr 24 2021
3493