Average Bench: 68.8% (337th of 850)

Based on 1,096 user benchmarks.  Model: PLEXTOR PX-128M5S

Above average average bench

The Plextor M5S 128GB averaged 31.1% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.


Avg. 4K Random Read Speed 25.9MB/s
Avg. Sequential Read Speed 469MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Plextor M5S 128GB is 31.3%. This is a relatively narrow range which indicates that the Plextor M5S 128GB performs reasonably consistently under varying real world conditions.


Avg. Sequential Write Speed 205MB/s
Avg. Sequential Mixed IO Speed 279MB/s

Average Bench

(Based on 1,096 samples)
Min Avg Max
340 Read 469 502
194 Write 205 212
227 Mixed 279 293
69.7% 317 MB/s
Min Avg Max
19 4K Read 25.9 32.7
31.4 4K Write 55.4 78.4
12.8 4K Mixed 23.8 33.1
99% 35 MB/s
Min Avg Max
23.4 DQ Read 180 286
50.9 DQ Write 163 211
12 DQ Mixed 50.5 72.8
71% 131 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
60GB free
Firmware: 1.05 Max speed: SATA 3.0 600 MB/s
Read 484
Write 205
Mixed 289
72% 326 MB/s
4K Read 29.3
4K Write 65.8
4K Mixed 28.9
116% 41.3 MB/s
DQ Read 274
DQ Write 157
DQ Mixed 69.2
91% 167 MB/s
79GB free
Firmware: 1.05 Max speed: SATA 3.0 600 MB/s
Read 493
Write 210
Mixed 285
72% 330 MB/s
4K Read 29.2
4K Write 55.4
4K Mixed 27.9
109% 37.5 MB/s
DQ Read 268
DQ Write 207
DQ Mixed 68
97% 181 MB/s
5GB free
Firmware: 1.02 Max speed: SATA 3.0 600 MB/s
Read 482
Write 211
Mixed 289
72% 327 MB/s
4K Read 29.3
4K Write 53.9
4K Mixed 29.8
111% 37.6 MB/s
DQ Read 215
DQ Write 192
DQ Mixed 71.8
90% 160 MB/s
26GB free
Firmware: 1.05 Max speed: SATA 3.0 600 MB/s
Read 493
Write 209
Mixed 284
72% 329 MB/s
4K Read 27.7
4K Write 51.9
4K Mixed 20.9
96% 33.5 MB/s
DQ Read 276
DQ Write 172
DQ Mixed 70.2
94% 173 MB/s
1,096 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 2,858,783 SSDs tested.


AmazonUS $199.998 mins ago.
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Typical M5S 128GB Builds (Compare 1,915 builds) See popular component choices, score breakdowns and rankings.
Gaming 61%
Desktop 68%
Battle cruiser
Workstation 46%

Motherboard: Gigabyte GA-Z97X-SLI-CF

EDIT WITH CUSTOM PC BUILDER Value: 63% - Good Total price: $829

Popular M5S 128GB compatible motherboards:

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Solid State Drive Rankings (Price vs Performance) May 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 88SS9174-BLD2. NAND Memory: Micron Synchronous 25nm MLC.

World's fastest sustained random read / write speeds...

Added 3 years ago.


23 months ago.

great ssd!

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850 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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