Average Bench: 80.3% (221st of 911)

Based on 1,702 user benchmarks.  Model: PLEXTOR PX-128M6S

Very good average bench

The Plextor M6S 128GB averaged just 19.7% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Plextor M6S 128GB near the top of the comparison list.


Avg. 4K Random Read Speed 28.2MB/s
Avg. 4K Random Write Speed 64.5MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Plextor M6S 128GB is 37.1%. This is a relatively wide range which indicates that the Plextor M6S 128GB performs inconsistently under varying real world conditions.


Avg. Sequential Write Speed 316MB/s
Avg. 4K-64Thread Read Speed 198MB/s

Average Bench

(Based on 1,702 samples)
Min Avg Max
355 Read 466 493
286 Write 316 334
273 Mixed 366 389
84.9% 383 MB/s
Min Avg Max
19.9 4K Read 28.2 35.1
36.2 4K Write 64.5 90.7
12.7 4K Mixed 26.5 37.2
111% 39.7 MB/s
Min Avg Max
23.8 DQ Read 198 357
57.6 DQ Write 200 299
12.3 DQ Mixed 54.1 82.5
80.5% 151 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
44GB free
Firmware: 1.01 Max speed: SATA 3.0 600 MB/s
Read 491
Write 320
Mixed 380
88% 397 MB/s
4K Read 36.7
4K Write 98
4K Mixed 38.4
157% 57.7 MB/s
DQ Read 331
DQ Write 283
DQ Mixed 63.3
114% 226 MB/s
91GB free
Firmware: 1.08 Max speed: SATA 3.0 600 MB/s
Read 465
Write 319
Mixed 384
86% 390 MB/s
4K Read 35.3
4K Write 92.3
4K Mixed 37.8
151% 55.1 MB/s
DQ Read 36.1
DQ Write 306
DQ Mixed 83
90% 142 MB/s
19GB free
Firmware: 1.09 Max speed: SATA 3.0 600 MB/s
Read 466
Write 328
Mixed 390
88% 395 MB/s
4K Read 19.5
4K Write 39.8
4K Mixed 25.6
83% 28.3 MB/s
DQ Read 339
DQ Write 278
DQ Mixed 81.5
123% 233 MB/s
1,702 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 6,065,016 SSDs tested.


Approx. $103 @ launch in Apr '14
OutletPCUS $976 months
AmazonUS $1063 months
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Typical M6S 128GB Builds (Compare 3,459 builds) See popular component choices, score breakdowns and rankings.
Gaming 15%
Tree trunk
Desktop 56%
Workstation 32%
Sail boat

Motherboard: Gigabyte GA-B85M-D3H - $70

EDIT WITH CUSTOM PC BUILDER Value: 67% - Good Total price: $366

Popular M6S 128GB compatible motherboards:

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

Welcome to our freeware PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best upgrades.

UserBenchmark of the month

How it works

  • - Download and run UserBenchMark (UBM).
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write and mixed IO.
  • - Checks include: 4k Align, NCQ, TRIM, SATA, USB & S.M.A.R.T.
  • - RAM tests include: single/multi core bandwidth and latency.
  • - Reports are generated and presented on userbenchmark.com.
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Solid State Drive Rankings (Price vs Performance) March 2018 SSD Rankings.

Welcome to our 2.5" and M.2 SSD comparison. We calculate effective speed for both SATA and NVMe drives based on real world performance then adjust by current prices per GB to yield a value for money rating. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top SSDs. [SSDrivePro]


Group Test Results

  • Best user rated - Sometimes benchmarks get it completely wrong...
  • Fastest real world speed - Real World Speed measures performance for typical consumers.
  • Best value for money - Value for money is based on real world performance, price and capacity.
  • Raw speed comparison - Raw speed readings.
  • Details ordered by value - Detailed performance stats ordered by overall value for money.


Controller: Marvell 88SS9188-BOM2. NAND Memory: Toshiba 19nm Toggle Mode MLC.

Built for the real world...

Added 3 years ago.


13 months ago.

Otimo custo beneficio , velocidade muito boa .

911 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

 Best User Rated

The Best.
Intel Core i7-8700K $330Nvidia GTX 1070 $447Samsung 850 Evo 250GB $85
Intel Core i7-7700K $290Nvidia GTX 1060-6GB $335Samsung 850 Evo 500GB $150
AMD Ryzen 5 1600 $188AMD RX 480 $400Samsung 850 Pro 256GB $163
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $190SanDisk Extreme 64GB $44
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $931SanDisk Extreme 32GB $23
Seagate Barracuda 2TB (2016) $60Corsair Vengeance LPX DDR4 3200 C16 2x8GB $216SanDisk Extreme 16GB $18
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