Controller: Silicon Motion SM2246EN. NAND: Micron 20nm Synchronous MLC.

Controller: Samsung Dual Core MGX. Memory: Samsung 40nm TLC V-NAND

Real World Speed
Performance profile from 194,233 user samples
553 User Benchmarks
Best Bench: 104% 168GB free
Worst Bench: 61% 206GB free
Poor: 61% Great: 104%
SPEED RANK: 182nd / 929
193,680 User Benchmarks
Best Bench: 115% 466GB free
Worst Bench: 69% 139GB free
Poor: 69% Great: 115%
SPEED RANK: 113th / 929
Effective Speed
Effective SSD Speed
85.7 % 96.1 % Slightly faster effective speed.
Avg. Sequential Read Speed
490 MB/s 500 MB/s +2%
Avg. Sequential Write Speed
408 MB/s +3% 396 MB/s
4K Read
Avg. 4K Random Read Speed
23.4 MB/s 37.6 MB/s Much faster random read.
4K Write
Avg. 4K Random Write Speed
74.8 MB/s 77.6 MB/s +4%
Avg. Sequential Mixed IO Speed
438 MB/s Slightly faster mixed IO speed.
406 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed
26.9 MB/s 34.7 MB/s Faster random mixed IO.
Peak Sequential Read Speed
521 MB/s +1% 518 MB/s
Peak Sequential Write Speed
439 MB/s Slightly faster peak write speed.
415 MB/s
4K Read
Peak 4K Random Read Speed
29.4 MB/s 46.3 MB/s Much faster peak random read.
4K Write
Peak 4K Random Write Speed
112 MB/s Slightly faster peak random write.
105 MB/s
Peak Sequential Mixed IO Speed
472 MB/s Slightly faster peak mixed IO speed.
422 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed
37.8 MB/s 50.4 MB/s Much faster peak random mixed IO.
Market Share
Based on 7,227,843 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.01 % 4.38 % Insanely higher market share.
Value For Money
87 % 131 % Much better value.
User Rating
UBM User Rating
56 % 102 % Hugely more popular.
Price (score)
$190 $125 Much cheaper.
46 Months 42 Months Slightly more recent.
DQ Read
Peak 4K-64Thread Read Speed
274 MB/s 375 MB/s Much faster peak deep queue read.
DQ Write
Peak 4K-64Thread Write Speed
292 MB/s +3% 284 MB/s
AS-SSD Total
AS-SSD Total Score
992 Pts 1,158 Pts Stronger server IO.
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
76.4 MB/s 130 MB/s Much faster peak deep queue mixed IO.
ADQ Read
Avg. 4K-64Thread Read Speed
154 MB/s 199 MB/s Faster deep queue read.
ADQ Write
Avg. 4K-64Thread Write Speed
200 MB/s +5% 191 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
49.9 MB/s 72.3 MB/s Much faster deep queue mixed IO.
512GB 500GB
Solid State Drive Rankings (Price vs Performance) June 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.
Intel Core i7-8700K $317Nvidia GTX 1070 $413Samsung 850 Evo 250GB $104
AMD Ryzen 5 1600 $160Nvidia GTX 1060-6GB $270Samsung 850 Evo 500GB $125
Intel Core i5-8600K $239AMD RX 480 $280Samsung 850 Pro 256GB $125
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $177SanDisk Extreme 64GB $44
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $911SanDisk Extreme 32GB $30
Seagate Barracuda 2TB (2016) $59HyperX Fury DDR4 2133 C14 2x8GB $226SanDisk Ultra Fit 32GB $12
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