Controller: Samsung MKX. Memory: Samsung 128 layer TLC V-NAND. Release date: Q1 2021.


Release date ≈ Q4 2014.

Real World Speed
Performance profile from 3,946 user samples
3,944 User Benchmarks
Best Bench: 130% 233GB free
Worst Bench: 78% 165GB free (System drive)
Poor: 78% Great: 130%
SPEED RANK: 224th / 1058
2 User Benchmarks
Best Bench: 19% 3TB free
Worst Bench: 16% 3TB free
Poor: 16% Great: 19%
SPEED RANK: 1049th / 1058
Effective Speed
Effective SSD Speed
105 % Hugely faster effective speed.
17.6 %
Avg. Sequential Read Speed
470 MB/s Much faster read speed.
350 MB/s
Avg. Sequential Write Speed
406 MB/s Insanely faster write speed.
6.2 MB/s
4K Read
Avg. 4K Random Read Speed
38.6 MB/s Insanely faster random read.
2.1 MB/s
4K Write
Avg. 4K Random Write Speed
86.9 MB/s Insanely faster random write.
0.1 MB/s
Avg. Sequential Mixed IO Speed
377 MB/s Insanely faster mixed IO speed.
12.7 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed
49.2 MB/s Insanely faster random mixed IO.
0.25 MB/s
Avg. Sustained Write Speed
333 MB/s Hugely faster sustained write speed.
42.5 MB/s
Peak Sequential Read Speed
516 MB/s Much faster peak read speed.
382 MB/s
Peak Sequential Write Speed
490 MB/s Insanely faster peak write speed.
8.2 MB/s
4K Read
Peak 4K Random Read Speed
50.1 MB/s Insanely faster peak random read.
2.7 MB/s
4K Write
Peak 4K Random Write Speed
122 MB/s Insanely faster peak random write.
0.1 MB/s
Peak Sequential Mixed IO Speed
457 MB/s Insanely faster peak mixed IO speed.
16.2 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed
67.7 MB/s Insanely faster peak random mixed IO.
0.3 MB/s
Peak Sequential Sustained Write 60s Average
395 MB/s Hugely faster peak sustained write speed.
49.5 MB/s
Market Share
Based on 47,325,966 SSDs tested.
User Rating
UBM User Rating
56 % More popular.
50 %
8 Months Hugely more recent.
82+ Months
AS-SSD Total
AS-SSD Total Score
1,292 Pts Insanely stronger server IO.
44.9 Pts
250GB 4TB

light speed ssd [Feb '21 tester4678]


Solid State Drive Rankings (Price vs Performance) September 2021 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 - 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 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.
  • - 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
  • - 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.
Intel Core i5-11600K $270Nvidia RTX 3060-Ti $400Crucial MX500 250GB $45
Intel Core i5-11400F $260Nvidia RTX 3070 $500Samsung 860 Evo 250GB $52
Intel Core i7-11700K $390Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $183
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $75SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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