Controller: Silicon Motion SM2258. Flash Memory: Micron 3D TLC.

Controller: Samsung Triple Core MEX. Memory: Samsung 40nm TLC V-NAND

Real World Speed
Performance profile from 33,952 user samples
110 User Benchmarks
Best Bench: 104% 2TB free
Worst Bench: 61% 1.5TB free
Poor: 61% Great: 104%
SPEED RANK: 155th / 927
33,842 User Benchmarks
Best Bench: 115% 318GB free
Worst Bench: 74% 519GB free
Poor: 74% Great: 115%
SPEED RANK: 112th / 927
Effective Speed
Effective SSD Speed
88.4 % 96.8 % Slightly faster effective speed.
Avg. Sequential Read Speed
500 MB/s 500 MB/s
Avg. Sequential Write Speed
376 MB/s 393 MB/s +5%
4K Read
Avg. 4K Random Read Speed
29.8 MB/s 38.2 MB/s Faster random read.
4K Write
Avg. 4K Random Write Speed
68.4 MB/s 77.2 MB/s Slightly faster random write.
Avg. Sequential Mixed IO Speed
397 MB/s 404 MB/s +2%
4K Mixed
Avg. 4K Random Mixed IO Speed
30.3 MB/s 35.6 MB/s Faster random mixed IO.
Peak Sequential Read Speed
527 MB/s +1% 521 MB/s
Peak Sequential Write Speed
403 MB/s 415 MB/s +3%
4K Read
Peak 4K Random Read Speed
36.5 MB/s 46.9 MB/s Faster peak random read.
4K Write
Peak 4K Random Write Speed
95 MB/s 103 MB/s Slightly faster peak random write.
Peak Sequential Mixed IO Speed
424 MB/s 427 MB/s +1%
4K Mixed
Peak 4K Random Mixed IO Speed
42.3 MB/s 51.2 MB/s Faster peak random mixed IO.
Market Share
Based on 6,800,424 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.02 % 0.67 % Insanely higher market share.
Value For Money
136 % Better value.
115 %
User Rating
UBM User Rating
67 % 68 % +1%
Price (score)
$425 $300 Cheaper.
4 Months Hugely more recent.
41 Months
DQ Read
Peak 4K-64Thread Read Speed
373 MB/s 375 MB/s +1%
DQ Write
Peak 4K-64Thread Write Speed
281 MB/s 282 MB/s +0%
AS-SSD Total
AS-SSD Total Score
1,122 Pts 1,156 Pts +3%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
84 MB/s 134 MB/s Much faster peak deep queue mixed IO.
ADQ Read
Avg. 4K-64Thread Read Speed
217 MB/s Slightly faster deep queue read.
205 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed
180 MB/s 198 MB/s Slightly faster deep queue write.
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
60 MB/s 84.6 MB/s Much faster deep queue mixed IO.
Solid State Drive Rankings (Price vs Performance) May 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.
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
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
  • - Compare your components to the highest voted in class.
  • - Find the best upgrades.
  • - Share your opinion by voting.

 Frequently Asked Questions

 Best User Rated

The Best.
AMD Ryzen 5 1600 $167Nvidia GTX 1070 $447Samsung 850 Evo 250GB $95
Intel Core i7-8700K $320Nvidia GTX 1060-6GB $292Samsung 850 Evo 500GB $140
Intel Core i7-7700K $285AMD RX 480 $300Samsung 850 Pro 256GB $163
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $180SanDisk Extreme 64GB $41
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $960SanDisk Extreme 32GB $30
Seagate Barracuda 2TB (2016) $60HyperX Fury DDR4 2133 C14 2x8GB $226SanDisk Extreme 16GB $20
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