Average Bench: 184% (87th of 1016)

more Based on 53,409 user benchmarks.  Models: SAMSUNG MZVLW256HEHP-00000, SAMSUNG MZVLW256HEHP-000H1, SAMSUNG MZVLW256HEHP-000L2, SAMSUNG MZVLW256HEHP-000L1, NVMe SAMSUNG MZVLW256, SAMSUNG MZVLW256HEHP-000, SAMSUNG MZVLW256HEHP-000L7

Outstanding average bench

The Samsung PM961 NVMe PCIe M.2 256GB averaged 84.2% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung PM961 NVMe PCIe M.2 256GB near the top of the comparison list.


Avg. 4K-64Thread Mixed IO Speed 758MB/s
Avg. 4K-64Thread Read Speed 948MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Samsung PM961 NVMe PCIe M.2 256GB is 123%. This is a particularly wide range which indicates that the Samsung PM961 NVMe PCIe M.2 256GB performs inconsistently under varying real world conditions.


Avg. Sustained Write Speed 311MB/s
Avg. Sequential Mixed IO Speed 677MB/s

Average Bench

(Based on 53,409 samples)
Min Avg Max
754 Read 1,476 1,992
627 Write 1,028 1,322
484 Mixed 677 944
199 SusWrite 311 356
193% 873 MB/s
Min Avg Max
27.2 4K Read 53.5 61.7
48.8 4K Write 113 166
27.2 4K Mixed 63 81.9
221% 76.4 MB/s
Min Avg Max
225 DQ Read 948 1,490
174 DQ Write 766 1,144
214 DQ Mixed 758 1,038
594% 824 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
191GB free (System drive)
Firmware: CXB7401Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 451 307 328 329 330 329 MB/s
Read 1,941
Write 1,213
Mixed 849
SusWrite 346
240% 1,087 MB/s
4K Read 57.1
4K Write 138
4K Mixed 76
257% 90.3 MB/s
DQ Read 1,079
DQ Write 1,006
DQ Mixed 962
744% 1,016 MB/s
98GB free (System drive)
Firmware: 4L7QCXB7 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 393 303 297 296 295 292 MB/s
Read 1,906
Write 1,280
Mixed 870
SusWrite 313
242% 1,092 MB/s
4K Read 51.9
4K Write 114
4K Mixed 67.6
226% 78 MB/s
DQ Read 705
DQ Write 647
DQ Mixed 678
508% 677 MB/s
78GB free (System drive)
Firmware: CXB73H1Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 386 203 199 193 189 187 MB/s
Read 1,260
Write 1,000
Mixed 638
SusWrite 226
173% 781 MB/s
4K Read 48.5
4K Write 96.9
4K Mixed 63.3
206% 69.6 MB/s
DQ Read 1,013
DQ Write 609
DQ Mixed 762
580% 794 MB/s
107GB free (System drive)
Firmware: CXB7401Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 420 254 251 255 250 249 MB/s
Read 1,629
Write 1,033
Mixed 657
SusWrite 280
199% 900 MB/s
4K Read 40.6
4K Write 84.8
4K Mixed 52.6
174% 59.3 MB/s
DQ Read 658
DQ Write 497
DQ Mixed 588
437% 581 MB/s
53,409 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 21,625,834 SSDs tested.


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Typical PM961 NVMe PCIe M.2 256GB Builds (Compare 21,141 builds) See popular component choices, score breakdowns and rankings.
Gaming 15%
Desktop 71%
Workstation 40%
Speed boat

System: Lenovo 80WK

EDIT WITH CUSTOM PC BUILDER Value: 36% - Below average Total price: $60

Popular PM961 NVMe PCIe M.2 256GB systems:

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Solid State Drive Rankings (Price vs Performance) January 2020 SSD Rankings.

Welcome to our 2.5" and M.2 SSD comparison. We calculate effective speed for both SATA and NVMe drives based on real world performance then adjust by current prices per GB to yield a value for money rating. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top SSDs. [SSDrivePro]


Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.


Added n/a ago.


4 months ago.

Simply there are faster alternatives in the market


6 months ago.

I have been using it on my Mi Notebook Pro and it is a monster in IO

1016 Drives (Compared) Thousands of user benchmarks compiled into one comparison list.

See how consistently different SSDs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

 Frequently Asked Questions

 Best User Rated

The Best.
Intel Core i5-9600K $218Nvidia GTX 1660S (Super) $240Crucial MX500 250GB $43
Intel Core i5-9400F $155Nvidia GTX 1650S (Super) $170Samsung 850 Evo 120GB $78
Intel Core i7-9700K $370Nvidia RTX 2060 $340Samsung 850 Pro 512GB $204
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $73SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $42Corsair Vengeance LPX DDR4 3000 C15 2x8GB $63SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $643SanDisk Ultra Fit 32GB $16
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