Average Bench: 83.5% (134th of 848)

Based on 302 user benchmarks.  Model: PLEXTOR PX-256M6S

Very good average bench

The Plextor M6S 256GB averaged just 16.5% 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 Write Speed 63MB/s

Average consistency

The range of scores (95th - 5th percentile) for the Plextor M6S 256GB is 44.6%. 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 177MB/s
Avg. 4K-64Thread Mixed IO Speed 56.1MB/s

Average Bench

(Based on 302 samples)
Min Avg Max
350 Read 454 484
294 Write 398 426
270 Mixed 411 444
93.8% 421 MB/s
Min Avg Max
20.1 4K Read 27.9 35
34.1 4K Write 63 90.4
12.7 4K Mixed 25.9 37.6
109% 38.9 MB/s
Min Avg Max
22.5 DQ Read 177 364
48.2 DQ Write 191 315
10.8 DQ Mixed 56.1 89.1
77.6% 141 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
190GB free
Firmware: 1.08 Max speed: SATA 3.0 600 MB/s
Read 477
Write 416
Mixed 384
95% 426 MB/s
4K Read 34.9
4K Write 85.5
4K Mixed 38.3
147% 52.9 MB/s
DQ Read 344
DQ Write 311
DQ Mixed 87.5
131% 247 MB/s
121GB free
Firmware: 1.03 Max speed: SATA 3.0 600 MB/s
Read 476
Write 417
Mixed 436
99% 443 MB/s
4K Read 31
4K Write 57.5
4K Mixed 34
121% 40.8 MB/s
DQ Read 27.7
DQ Write 282
DQ Mixed 80.1
84% 130 MB/s
94GB free
Firmware: 1.03 Max speed: SATA 3.0 600 MB/s
Read 467
Write 406
Mixed 424
96% 432 MB/s
4K Read 26.6
4K Write 53.8
4K Mixed 29.8
107% 36.7 MB/s
DQ Read 177
DQ Write 165
DQ Mixed 71
81% 137 MB/s
121GB free
Firmware: 1.03 Max speed: SATA 3.0 600 MB/s
Read 475
Write 424
Mixed 439
100% 446 MB/s
4K Read 20.8
4K Write 32.1
4K Mixed 11.9
64% 21.6 MB/s
DQ Read 354
DQ Write 295
DQ Mixed 85.2
129% 245 MB/s
302 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 2,393,235 SSDs tested.


AmazonUS $169.0010 mins ago.
EbayUS $216.8319 mins ago.
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Typical M6S 256GB Builds (Compare 3,883 builds) See popular component choices, score breakdowns and rankings.
Gaming 15%
Tree trunk
Desktop 55%
Workstation 38%
Jet ski

System: Lenovo 20378

EDIT WITH CUSTOM PC BUILDER Value: 55% - Above average Total price: $169

Popular M6S 256GB systems:

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Solid State Drive Rankings (Price vs Performance) March 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 19 months ago.

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848 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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