PlextorPX-256M6S
IntelSSDPEKKW256G7X1

Controller: Marvell 88SS9188-BOM2. NAND Memory: Toshiba 19nm Toggle Mode MLC. Release date: Q2 2014.

Release date ≈ Q3 2016.

Real World Speed
Performance profile from 59,814 user samples
1,660 User Benchmarks
Best Bench: 104% 237GB free
Worst Bench: 64% 120GB free (System drive)
Poor: 64% Great: 104%
SPEED RANK: 346th / 1072
58,154 User Benchmarks
Best Bench: 157% 19GB free (System drive)
Worst Bench: 79% 92GB free (System drive)
Poor: 79% Great: 157%
SPEED RANK: 198th / 1072
Effective Speed
Effective SSD Speed
88.9 % 116 % Much faster effective speed.
+30%
Read
Avg. Sequential Read Speed
436 MB/s 899 MB/s Hugely faster read speed.
+106%
Write
Avg. Sequential Write Speed
358 MB/s 550 MB/s Much faster write speed.
+54%
4K Read
Avg. 4K Random Read Speed
28.9 MB/s 35.5 MB/s Faster random read.
+23%
4K Write
Avg. 4K Random Write Speed
66.1 MB/s 107 MB/s Much faster random write.
+62%
Mixed
Avg. Sequential Mixed IO Speed
269 MB/s 562 MB/s Hugely faster mixed IO speed.
+109%
4K Mixed
Avg. 4K Random Mixed IO Speed
32.6 MB/s 44.5 MB/s Much faster random mixed IO.
+37%
SusWrite
Avg. Sustained Write Speed
347 MB/s Hugely faster sustained write speed.
+85%
188 MB/s
Read
Peak Sequential Read Speed
484 MB/s 1599 MB/s Hugely faster peak read speed.
+230%
Write
Peak Sequential Write Speed
415 MB/s 591 MB/s Much faster peak write speed.
+42%
4K Read
Peak 4K Random Read Speed
34.8 MB/s 48.7 MB/s Much faster peak random read.
+40%
4K Write
Peak 4K Random Write Speed
87.7 MB/s 154 MB/s Much faster peak random write.
+76%
Mixed
Peak Sequential Mixed IO Speed
297 MB/s 612 MB/s Hugely faster peak mixed IO speed.
+106%
4K Mixed
Peak 4K Random Mixed IO Speed
41.3 MB/s 54.8 MB/s Much faster peak random mixed IO.
+33%
SusWrite
Peak Sequential Sustained Write 60s Average
412 MB/s Much faster peak sustained write speed.
+66%
248 MB/s
Market Share
Based on 75,728,070 SSDs tested
Market Share
Market Share (trailing 30 days)
0 % 0.08 % Insanely higher market share.
+∞%
Value
Value For Money
8 % 26 % Hugely better value.
+224%
User Rating
UBM User Rating
52 % +2% 51 %
Price
Price (score)
$166 $49 Much cheaper.
+70%
Age
Newest
120 Months 91+ Months More recent.
+24%
DQ Read
Peak 4K-64Thread Read Speed
370 MB/s 492 MB/s Much faster peak deep queue read.
+33%
DQ Write
Peak 4K-64Thread Write Speed
331 MB/s 557 MB/s Much faster peak deep queue write.
+68%
AS-SSD Total
AS-SSD Total Score
1,154 Pts 1,795 Pts Much stronger server IO.
+56%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
216 MB/s 330 MB/s Much faster peak deep queue mixed IO.
+53%
ADQ Read
Avg. 4K-64Thread Read Speed
325 MB/s Slightly faster deep queue read.
+9%
298 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed
276 MB/s 473 MB/s Much faster deep queue write.
+71%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
186 MB/s 283 MB/s Much faster deep queue mixed IO.
+52%
Capacity
Capacity
256GB 256GB
Solid State Drive Rankings (Price vs Performance) April 2024 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]

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Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.
How Fast Is Your SSD? (Bench your build) Size up your PC in less than a minute

Welcome to our 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 value for money upgrades.

UserBenchmark of the month

How it works

  • - Download and run UserBenchmark
  • - CPU tests include: integer, floating and string
  • - GPU tests include: six 3D game simulations
  • - Drive tests include: read, write, sustained write and mixed IO
  • - RAM tests include: single/multi core bandwidth and latency
  • - SkillBench (space shooter) tests user input accuracy
  • - Reports are generated and presented on userbenchmark.com
  • - Identify the strongest components in your PC
  • - See speed test results from other users
  • - Compare your components to the current market leaders
  • - Explore your best upgrade options with a virtual PC build
  • - Compare your in-game FPS to other users with your hardware

 Frequently Asked Questions

 Best User Rated

The Best.
CPUGPUSSD
Intel Core i5-13600K $273Nvidia RTX 4060 $295Crucial MX500 250GB $40
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $179Nvidia RTX 4070 $539Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $45SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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