Average Bench: 68.9% (334th of 848)

Based on 963 user benchmarks.  Model: PLEXTOR PX-128M5S

Above average average bench

The Plextor M5S 128GB averaged 31.0% 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 31.5%. 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 963 samples)
Min Avg Max
338 Read 467 503
194 Write 205 212
216 Mixed 278 293
69.6% 317 MB/s
Min Avg Max
19.2 4K Read 25.8 32.9
32.1 4K Write 56.3 80
12.8 4K Mixed 23.9 33.4
99.5% 35.3 MB/s
Min Avg Max
22.6 DQ Read 180 287
46.6 DQ Write 160 211
11.8 DQ Mixed 49.8 72.7
70.3% 130 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
59GB free
Firmware: 1.05 Max speed: SATA 3.0 600 MB/s
Read 491
Write 210
Mixed 287
72% 329 MB/s
4K Read 31.4
4K Write 74.7
4K Mixed 30
126% 45.3 MB/s
DQ Read 281
DQ Write 207
DQ Mixed 62.2
96% 183 MB/s
76GB free
Firmware: 1.04 Max speed: SATA 3.0 600 MB/s
Read 493
Write 207
Mixed 289
72% 330 MB/s
4K Read 27.5
4K Write 65.1
4K Mixed 19.1
101% 37.3 MB/s
DQ Read 259
DQ Write 209
DQ Mixed 18.1
72% 162 MB/s
91GB free
Firmware: 1.04 Max speed: SATA 3.0 600 MB/s
Read 475
Write 208
Mixed 285
71% 323 MB/s
4K Read 25.6
4K Write 50.7
4K Mixed 26.2
99% 34.1 MB/s
DQ Read 21.4
DQ Write 201
DQ Mixed 64.9
64% 95.7 MB/s
25GB free
Firmware: 1.05 Max speed: SATA 3.0 600 MB/s
Read 477
Write 210
Mixed 286
71% 324 MB/s
4K Read 20.7
4K Write 34.8
4K Mixed 20.5
76% 25.3 MB/s
DQ Read 243
DQ Write 190
DQ Mixed 71.5
93% 168 MB/s
963 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 2,359,232 SSDs tested.


AmazonUS $199.998 mins ago.
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Typical M5S 128GB Builds (Compare 1,623 builds) See popular component choices, score breakdowns and rankings.
Gaming 62%
Desktop 68%
Battle cruiser
Workstation 46%

Motherboard: Gigabyte GA-Z97X-SLI-CF

EDIT WITH CUSTOM PC BUILDER Value: 64% - Good Total price: $814

Popular M5S 128GB compatible motherboards:

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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 88SS9174-BLD2. NAND Memory: Micron Synchronous 25nm MLC.

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

Added 2 years ago.


20 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.

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