Average Bench: 68.5% - 341st / 836

Based on 879 user benchmarks.  Model: PLEXTOR PX-128M5S

Above average average bench

The Plextor M5S 128GB averaged 31.5% 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 25.6MB/s
Avg. Sequential Read Speed 465MB/s
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Above average consistency

The range of scores (95th - 5th percentile) for the Plextor M5S 128GB is 30.9%. 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 879 samples)
Min Avg Max
337 Read 465 498
194 Write 205 212
219 Mixed 279 293
69.5% 316 MB/s
Min Avg Max
19.1 4K Read 25.6 32.4
31.8 4K Write 56.2 78.9
12.4 4K Mixed 23.6 32.8
98.7% 35.1 MB/s
Min Avg Max
22.9 DQ Read 177 286
51.4 DQ Write 159 211
11.7 DQ Mixed 50.3 72.5
69.9% 129 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
24GB free
Firmware: 1.05 Max speed: SATA 3.0 600 MB/s
Read 498
Write 208
Mixed 285
72% 330 MB/s
4K Read 34.7
4K Write 85.3
4K Mixed 28.6
134% 49.5 MB/s
DQ Read 276
DQ Write 156
DQ Mixed 65
89% 166 MB/s
51GB free
Firmware: 1.05 Max speed: SATA 3.0 600 MB/s
Read 374
Write 209
Mixed 220
59% 268 MB/s
4K Read 21.5
4K Write 45.3
4K Mixed 15.6
76% 27.5 MB/s
DQ Read 24.2
DQ Write 41.5
DQ Mixed 12.7
15% 26.1 MB/s
75GB free
Firmware: 1.05 Max speed: SATA 3.0 600 MB/s
Read 314
Write 210
Mixed 207
54% 244 MB/s
4K Read 23.1
4K Write 37.3
4K Mixed 13
72% 24.5 MB/s
DQ Read 22.6
DQ Write 44.3
DQ Mixed 11.6
15% 26.2 MB/s

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 2,130,604 SSDs tested.


AmazonUS $199.9913 mins ago.
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Typical M5S 128GB Builds (Compare 1,489 builds) See popular component choices, score breakdowns and rankings.
Gaming 77%
Desktop 72%
Workstation 48%

Motherboard: Gigabyte GA-Z97X-SLI-CF

EDIT WITH CUSTOM PC BUILDER Value: 73% - Very good Total price: $810

Popular M5S 128GB compatible motherboards:

How Fast Is Your SSD? (Bench your build) Size up your PC in less than a minute.

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Solid State Drive Rankings (Price vs Performance) February 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.


19 months ago.

great ssd!

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836 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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