Average Bench: 88.1% (90th of 848)

Based on 19 user benchmarks.  Model: PLEXTOR PX-512M6S

Very good average bench

The Plextor M6S 512GB averaged just 11.8% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Plextor M6S 512GB near the top of the comparison list.


Avg. 4K Random Read Speed 28MB/s
Avg. 4K Random Mixed IO Speed 27.5MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Plextor M6S 512GB is 35.1%. This is a relatively wide range which indicates that the Plextor M6S 512GB performs inconsistently under varying real world conditions.


Avg. 4K-64Thread Read Speed 217MB/s
Avg. 4K-64Thread Mixed IO Speed 66.5MB/s

Average Bench

(Based on 19 samples)
Min Avg Max
344 Read 473 499
314 Write 420 439
337 Mixed 443 461
99.4% 445 MB/s
Min Avg Max
20.9 4K Read 28 38
37.6 4K Write 64.1 99.4
11.2 4K Mixed 27.5 39.1
112% 39.9 MB/s
Min Avg Max
23.4 DQ Read 217 379
44.5 DQ Write 219 318
10.4 DQ Mixed 66.5 94.1
91.6% 167 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
418GB free
Firmware: 1.07 Max speed: SATA 3.0 600 MB/s
Read 493
Write 435
Mixed 445
102% 458 MB/s
4K Read 27.5
4K Write 62.4
4K Mixed 34.3
119% 41.4 MB/s
DQ Read 358
DQ Write 304
DQ Mixed 94.1
135% 252 MB/s
419GB free
Firmware: 1.07 Max speed: SATA 3.0 600 MB/s
Read 495
Write 434
Mixed 455
103% 461 MB/s
4K Read 26.7
4K Write 62.9
4K Mixed 33.8
117% 41.1 MB/s
DQ Read 361
DQ Write 311
DQ Mixed 92.4
136% 255 MB/s
70GB free
Firmware: 1.03 Max speed: SATA 3.0 600 MB/s
Read 344
Write 314
Mixed 337
74% 332 MB/s
4K Read 26.7
4K Write 45.6
4K Mixed 24.9
96% 32.4 MB/s
DQ Read 186
DQ Write 135
DQ Mixed 70.3
77% 131 MB/s
49GB free
Firmware: 1.03 Max speed: SATA 3.0 600 MB/s
Read 395
Write 422
Mixed 432
93% 416 MB/s
4K Read 21.1
4K Write 43
4K Mixed 13.9
72% 26 MB/s
DQ Read 24.3
DQ Write 50.5
DQ Mixed 13
17% 29.3 MB/s
19 MORE »

 Market Share (See Leaders)

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


AmazonUS $194.9413 mins ago.
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Typical M6S 512GB Builds (Compare 291 builds) See popular component choices, score breakdowns and rankings.
Gaming 94%
Nuclear submarine
Desktop 77%
Workstation 72%

Motherboard: Asrock X99X Killer - $257

EDIT WITH CUSTOM PC BUILDER Value: 77% - Very good Total price: $1,514

Popular M6S 512GB compatible motherboards:

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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.

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See how consistently different SSDs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

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