Average Bench: 55.1% (568th of 850)

Based on 155 user benchmarks.  Models: SAMSUNG SSD PM841 2.5" 7, SAMSUNG SSD PM841 2.5", SAMSUNG SSD PM841 2.5" 7mm 256GB

Average average bench

The Samsung PM841 2.5" 256GB averaged 44.9% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.


Avg. 4K Random Read Speed 21.2MB/s
Avg. Sequential Read Speed 444MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Samsung PM841 2.5" 256GB is 33.8%. This is a relatively narrow range which indicates that the Samsung PM841 2.5" 256GB performs reasonably consistently under varying real world conditions.


Avg. 4K-64Thread Mixed IO Speed 22.7MB/s
Avg. Sequential Mixed IO Speed 155MB/s

Average Bench

(Based on 155 samples)
Min Avg Max
311 Read 444 512
42.5 Write 157 248
71.8 Mixed 155 262
54.7% 252 MB/s
Min Avg Max
12.2 4K Read 21.2 28.8
22.8 4K Write 49.3 87.4
7.16 4K Mixed 10.5 12.8
71.6% 27 MB/s
Min Avg Max
19.5 DQ Read 206 369
39.4 DQ Write 116 212
8.53 DQ Mixed 22.7 31.6
54% 115 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
66GB free
Firmware: DXT03D0Q Max speed: SATA 3.0 600 MB/s
Read 290
Write 93.3
Mixed 108
36% 164 MB/s
4K Read 0.98
4K Write 30.6
4K Mixed 5.03
24% 12.2 MB/s
DQ Read 201
DQ Write 59.6
DQ Mixed 24
45% 94.7 MB/s
155 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 2,833,001 SSDs tested.

Typical PM841 2.5" 256GB Builds (Compare 664 builds) See popular component choices, score breakdowns and rankings.
Gaming 15%
Tree trunk
Desktop 52%
Workstation 34%
Sail boat

System: Dell Latitude E6540

EDIT WITH CUSTOM PC BUILDER Value: 69% - Good Total price: $249

Popular PM841 2.5" 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 (UBM).
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Solid State Drive Rankings (Price vs Performance) May 2017 SSD Rankings.

Welcome to our consumer SSD comparison. We calculate effective speed based on real world performance then adjust by cost per GB to yield a value for money rating. Calculated values don't always tell the whole picture so we check them against thousands of individual user ratings. The customizable table below combines these factors and more to bring you the definitive list of top SSDs. Share your opinion by voting. [SSDrivePro]

850 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 i7-7700K $309Nvidia GTX 1070 $368Samsung 850 Evo 250GB $102
Intel Core i5-7600K $240AMD RX 480 $210Samsung 850 Pro 256GB $127
AMD Ryzen 7 1700 $300Nvidia GTX 1060-6GB $230Samsung 850 Evo 500GB $167
Seagate Barracuda 1TB (2016) $50Corsair Vengeance LPX DDR4 3000 C15 2x8GB $127SanDisk Extreme 64GB $33
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $700SanDisk Extreme 32GB $22
Seagate Barracuda 7200.14 1TB $46Corsair Vengeance LPX DDR4 3200 C16 2x8GB $136SanDisk Ultra Fit 32GB $13
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