Average Bench: 83.9% (147th of 873)

Based on 488 user benchmarks.  Model: PLEXTOR PX-256M6S

Very good average bench

The Plextor M6S 256GB averaged just 16.0% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Plextor M6S 256GB near the top of the comparison list.


Avg. 4K Random Read Speed 28.1MB/s
Avg. 4K Random Write Speed 64.1MB/s

Average consistency

The range of scores (95th - 5th percentile) for the Plextor M6S 256GB is 47.5%. This is a relatively wide range which indicates that the Plextor M6S 256GB performs inconsistently under varying real world conditions.


Avg. 4K-64Thread Read Speed 183MB/s
Avg. 4K-64Thread Mixed IO Speed 57.3MB/s

Average Bench

(Based on 488 samples)
Min Avg Max
349 Read 454 484
279 Write 394 427
263 Mixed 408 444
93.4% 419 MB/s
Min Avg Max
20.3 4K Read 28.1 35.4
33.2 4K Write 64.1 91.4
12.6 4K Mixed 26.4 38.3
110% 39.5 MB/s
Min Avg Max
24.1 DQ Read 183 363
49.2 DQ Write 190 316
11.6 DQ Mixed 57.3 89.2
78.8% 144 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
31GB free
Firmware: 1.01 Max speed: SATA 3.0 600 MB/s
Read 478
Write 415
Mixed 428
98% 440 MB/s
4K Read 31.7
4K Write 71.8
4K Mixed 35.7
132% 46.4 MB/s
DQ Read 337
DQ Write 229
DQ Mixed 80
115% 215 MB/s
35GB free
Firmware: 1.03 Max speed: SATA 3.0 600 MB/s
Read 469
Write 381
Mixed 356
89% 402 MB/s
4K Read 30.4
4K Write 67.5
4K Mixed 34.9
126% 44.3 MB/s
DQ Read 318
DQ Write 241
DQ Mixed 78.6
113% 212 MB/s
63GB free
Firmware: 1.08
Read 460
Write 407
Mixed 425
96% 431 MB/s
4K Read 26.2
4K Write 45.2
4K Mixed 9.68
76% 27 MB/s
DQ Read 21.9
DQ Write 188
DQ Mixed 12.5
37% 74.3 MB/s
488 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 5,202,202 SSDs tested.


AmazonUS $1664 months
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Typical M6S 256GB Builds (Compare 5,417 builds) See popular component choices, score breakdowns and rankings.
Gaming 14%
Tree trunk
Desktop 56%
Workstation 38%
Jet ski

System: Lenovo 20378

EDIT WITH CUSTOM PC BUILDER Value: 56% - Above average Total price: $166

Popular M6S 256GB systems:

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Solid State Drive Rankings (Price vs Performance) January 2018 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]


Controller: Marvell 88SS9188-BOM2. NAND Memory: Toshiba 19nm Toggle Mode MLC.

Special power saving design....

Added 2 years ago.

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873 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.

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