Average Bench: 83.4% (142nd of 853)

Based on 386 user benchmarks.  Model: PLEXTOR PX-256M6S

Very good average bench

The Plextor M6S 256GB averaged just 16.6% 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 27.9MB/s
Avg. 4K Random Mixed IO Speed 26.1MB/s

Average consistency

The range of scores (95th - 5th percentile) for the Plextor M6S 256GB is 45.4%. 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 178MB/s
Avg. 4K-64Thread Mixed IO Speed 56.1MB/s

Average Bench

(Based on 386 samples)
Min Avg Max
347 Read 453 485
280 Write 394 426
266 Mixed 409 445
93.4% 419 MB/s
Min Avg Max
20.4 4K Read 27.9 35.3
33.8 4K Write 62.7 90.5
12.8 4K Mixed 26.1 38.2
109% 38.9 MB/s
Min Avg Max
23 DQ Read 178 364
49.4 DQ Write 191 315
11.5 DQ Mixed 56.1 89.1
77.7% 142 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
212GB free
Firmware: 1.03 Max speed: SATA 3.0 600 MB/s
Read 491
Write 418
Mixed 425
99% 445 MB/s
4K Read 31.3
4K Write 86.1
4K Mixed 36.6
140% 51.3 MB/s
DQ Read 184
DQ Write 221
DQ Mixed 58.1
84% 155 MB/s
196GB free
Firmware: 1.03 Max speed: SATA 3.0 600 MB/s
Read 465
Write 388
Mixed 428
95% 427 MB/s
4K Read 27.9
4K Write 72.1
4K Mixed 34.3
124% 44.8 MB/s
DQ Read 361
DQ Write 308
DQ Mixed 89.3
134% 253 MB/s
53GB free
Firmware: 1.09 Max speed: SATA 3.0 600 MB/s
Read 468
Write 416
Mixed 444
99% 443 MB/s
4K Read 17.4
4K Write 68.2
4K Mixed 27.6
98% 37.7 MB/s
DQ Read 271
DQ Write 223
DQ Mixed 14.4
74% 170 MB/s
21GB free
Firmware: 1.01 Max speed: SATA 3.0 600 MB/s
Read 374
Write 277
Mixed 212
64% 288 MB/s
4K Read 25.3
4K Write 44.4
4K Mixed 18.7
86% 29.5 MB/s
DQ Read 27.9
DQ Write 65.4
DQ Mixed 18
22% 37.1 MB/s
386 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 3,339,136 SSDs tested.


AmazonUS $142.1031 mins ago.
EbayUS $171.3614 mins ago.
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Typical M6S 256GB Builds (Compare 5,225 builds) See popular component choices, score breakdowns and rankings.
Gaming 15%
Tree trunk
Desktop 54%
Workstation 38%
Jet ski

System: Lenovo 20378

EDIT WITH CUSTOM PC BUILDER Value: 63% - Good Total price: $142

Popular M6S 256GB systems:

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Solid State Drive Rankings (Price vs Performance) July 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]


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

Special power saving design....

Added 23 months ago.

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853 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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