Average Bench: 88.1% (300th of 1016)

Based on 3,456 user benchmarks.  Model: NVMe SAMSUNG MZFLV256

Very good average bench

The Samsung MZFLV256 NVMe PCIe M.2 256GB averaged just 11.8% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung MZFLV256 NVMe PCIe M.2 256GB near the top of the comparison list.


Avg. 4K-64Thread Mixed IO Speed 304MB/s
Avg. 4K-64Thread Read Speed 614MB/s

Poor consistency

The range of scores (95th - 5th percentile) for the Samsung MZFLV256 NVMe PCIe M.2 256GB is 64.3%. This is a particularly wide range which indicates that the Samsung MZFLV256 NVMe PCIe M.2 256GB performs inconsistently under varying real world conditions.


Avg. Sustained Write Speed 192MB/s
Avg. Sequential Mixed IO Speed 226MB/s

Average Bench

(Based on 3,456 samples)
Min Avg Max
394 Read 598 859
95.2 Write 238 305
124 Mixed 226 298
67 SusWrite 192 295
69% 313 MB/s
Min Avg Max
13.1 4K Read 29.9 37.8
30.4 4K Write 78.4 121
11.6 4K Mixed 23.1 33.4
116% 43.8 MB/s
Min Avg Max
145 DQ Read 614 947
88.9 DQ Write 212 302
76.6 DQ Mixed 304 409
253% 377 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
22GB free (System drive)
Firmware: BXV75M0Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 289 263 253 241 226 220 MB/s
Read 527
Write 302
Mixed 281
SusWrite 249
76% 340 MB/s
4K Read 16
4K Write 101
4K Mixed 19.5
103% 45.5 MB/s
DQ Read 748
DQ Write 294
DQ Mixed 403
329% 482 MB/s
23GB free (System drive)
Firmware: BXV75M0Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 105 89 85 85 83 82 MB/s
Read 470
Write 149
Mixed 164
SusWrite 88.2
48% 218 MB/s
4K Read 27
4K Write 60
4K Mixed 21.3
100% 36.1 MB/s
DQ Read 521
DQ Write 163
DQ Mixed 248
208% 311 MB/s
18GB free (System drive)
Firmware: BXV75M0Q Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 157 113 43 51 62 74 MB/s
Read 362
Write 216
Mixed 164
SusWrite 83.2
46% 206 MB/s
4K Read 16.1
4K Write 55
4K Mixed 13.6
71% 28.2 MB/s
DQ Read 421
DQ Write 196
DQ Mixed 281
216% 299 MB/s
3,456 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 21,681,288 SSDs tested.

Typical MZFLV256 NVMe PCIe M.2 256GB Builds (Compare 8,569 builds) See popular component choices, score breakdowns and rankings.
Gaming 14%
Tree trunk
Desktop 45%
Speed boat
Workstation 23%

System: Microsoft Surface Pro 4


Popular MZFLV256 NVMe PCIe M.2 256GB systems:

How Fast Is Your SSD? (Bench your build) Size up your PC in less than a minute.

Welcome to our freeware PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best upgrades.

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How it works

  • - Download and run UserBenchMark.
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write, sustained write and mixed IO.
  • - RAM tests include: single/multi core bandwidth and latency.
  • - Reports are generated and presented on userbenchmark.com.
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
  • - Compare your components to the current market leaders.
  • - Explore your best upgrade options with a virtual PC build.
  • - Compare your in-game FPS to other users with your hardware.
  • - Share your opinion by voting.
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.


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) $40Corsair 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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