Average Bench: 77.8% (228th of 859)

Based on 149 user benchmarks.  Model: SAMSUNG SSD PM871 M.2 2280 256GB

Good average bench

The Samsung PM871 M.2 2280 256GB averaged 22.1% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung PM871 M.2 2280 256GB near the top of the comparison list.


Avg. 4K Random Read Speed 28.4MB/s
Avg. 4K Random Write Speed 80.1MB/s

Average consistency

The range of scores (95th - 5th percentile) for the Samsung PM871 M.2 2280 256GB is 46.4%. This is a relatively wide range which indicates that the Samsung PM871 M.2 2280 256GB performs inconsistently under varying real world conditions.


Avg. Sequential Write Speed 264MB/s
Avg. 4K-64Thread Read Speed 167MB/s

Average Bench

(Based on 149 samples)
Min Avg Max
469 Read 495 517
182 Write 264 296
210 Mixed 330 368
80.1% 363 MB/s
Min Avg Max
16.3 4K Read 28.4 36
37.5 4K Write 80.1 116
8.01 4K Mixed 23.3 38
115% 44 MB/s
Min Avg Max
20.4 DQ Read 167 370
53.1 DQ Write 174 293
10.5 DQ Mixed 60.6 111
75.9% 134 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
99GB free
Firmware: EMT23D0Q Max speed: SATA 3.0 600 MB/s
Read 517
Write 288
Mixed 329
84% 378 MB/s
4K Read 35.9
4K Write 105
4K Mixed 36.6
157% 59.3 MB/s
DQ Read 334
DQ Write 79.2
DQ Mixed 77.1
90% 163 MB/s
184GB free
Firmware: EMT23D0Q Max speed: SATA 3.0 600 MB/s
Read 482
Write 291
Mixed 359
84% 377 MB/s
4K Read 25.9
4K Write 66.1
4K Mixed 24.7
106% 38.9 MB/s
DQ Read 255
DQ Write 226
DQ Mixed 97.9
112% 193 MB/s
149 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 3,811,664 SSDs tested.

Typical PM871 M.2 2280 256GB Builds (Compare 2,227 builds) See popular component choices, score breakdowns and rankings.
Gaming 21%
Desktop 67%
Battle cruiser
Workstation 48%

System: Dell XPS 8900

EDIT WITH CUSTOM PC BUILDER Value: 73% - Very good Total price: $357

Popular PM871 M.2 2280 256GB systems:

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

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Solid State Drive Rankings (Price vs Performance) September 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]


859 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 $325Nvidia GTX 1070 $410Samsung 850 Evo 250GB $88
AMD Ryzen 7 1700 $270AMD RX 480 $350Samsung 850 Pro 256GB $119
Intel Core i5-7600K $210Nvidia GTX 1060-6GB $265Samsung 850 Evo 500GB $150
Seagate Barracuda 1TB (2016) $45G.SKILL Trident Z DDR4 3200 C14 4x16GB $724SanDisk Extreme 64GB $33
Seagate Barracuda 3TB (2016) $70Corsair Vengeance LPX DDR4 3000 C15 2x8GB $152SanDisk Extreme 32GB $22
Seagate Barracuda 7200.14 1TB $57HyperX Fury DDR4 2133 C14 2x8GB $144SanDisk Extreme 16GB $20
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