Average Bench: 68.9% (335th of 848)

Based on 1,021 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 25.8MB/s
Avg. Sequential Read Speed 467MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Plextor M5S 128GB is 32.3%. 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 278MB/s

Average Bench

(Based on 1,021 samples)
Min Avg Max
338 Read 467 503
194 Write 205 212
220 Mixed 278 293
69.6% 317 MB/s
Min Avg Max
18.7 4K Read 25.8 32.7
30.8 4K Write 55.5 78.5
12.5 4K Mixed 23.9 33.1
99.1% 35.1 MB/s
Min Avg Max
22.9 DQ Read 183 286
51 DQ Write 162 211
11.7 DQ Mixed 50.7 72.7
71.4% 132 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
12GB free
Firmware: 1.04 Max speed: SATA 3.0 600 MB/s
Read 494
Write 211
Mixed 288
73% 331 MB/s
4K Read 31
4K Write 72.7
4K Mixed 30.4
124% 44.7 MB/s
DQ Read 254
DQ Write 212
DQ Mixed 72
98% 179 MB/s
11GB free
Firmware: 1.04 Max speed: SATA 3.0 600 MB/s
Read 476
Write 203
Mixed 285
71% 322 MB/s
4K Read 27.3
4K Write 63.3
4K Mixed 30.9
115% 40.5 MB/s
DQ Read 285
DQ Write 204
DQ Mixed 73.3
101% 187 MB/s
67GB free
Firmware: 1.05 Max speed: SATA 3.0 600 MB/s
Read 488
Write 209
Mixed 284
72% 327 MB/s
4K Read 28
4K Write 49.3
4K Mixed 26.5
102% 34.6 MB/s
DQ Read 238
DQ Write 211
DQ Mixed 66.8
93% 172 MB/s
61GB free
Firmware: 1.03 Max speed: SATA 3.0 600 MB/s
Read 480
Write 205
Mixed 281
71% 322 MB/s
4K Read 19.5
4K Write 30.9
4K Mixed 22.9
75% 24.4 MB/s
DQ Read 286
DQ Write 202
DQ Mixed 73.2
101% 187 MB/s
1,021 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 2,595,267 SSDs tested.


AmazonUS $199.9912 mins ago.
EbayUS $263.1919 mins ago.
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Typical M5S 128GB Builds (Compare 1,771 builds) See popular component choices, score breakdowns and rankings.
Gaming 62%
Desktop 69%
Battle cruiser
Workstation 46%

Motherboard: Gigabyte GA-Z97X-SLI-CF

EDIT WITH CUSTOM PC BUILDER Value: 65% - Good Total price: $810

Popular M5S 128GB compatible motherboards:

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Solid State Drive Rankings (Price vs Performance) April 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 2 years ago.


21 months ago.

great ssd!

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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.

 Frequently Asked Questions

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