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

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

Real World Speed
Performance profile from 36,166 user samples
2,329 User Benchmarks
Best Bench: 106% 422GB free
Worst Bench: 66% 8GB free
Poor: 66% Great: 106%
SPEED RANK: 148th / 927
33,837 User Benchmarks
Best Bench: 112% 23GB free
Worst Bench: 67% 31GB free
Poor: 67% Great: 112%
SPEED RANK: 123rd / 927
Effective Speed
Effective SSD Speed
88.9 % 92.5 % +4%
Avg. Sequential Read Speed
507 MB/s +2% 496 MB/s
Avg. Sequential Write Speed
385 MB/s 391 MB/s +2%
4K Read
Avg. 4K Random Read Speed
31.3 MB/s 37.9 MB/s Faster random read.
4K Write
Avg. 4K Random Write Speed
70.8 MB/s 75.4 MB/s Slightly faster random write.
Avg. Sequential Mixed IO Speed
406 MB/s +3% 394 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed
30.1 MB/s 30.8 MB/s +2%
Peak Sequential Read Speed
528 MB/s +2% 518 MB/s
Peak Sequential Write Speed
405 MB/s 416 MB/s +3%
4K Read
Peak 4K Random Read Speed
38.6 MB/s 46.3 MB/s Faster peak random read.
4K Write
Peak 4K Random Write Speed
93.3 MB/s 102 MB/s Slightly faster peak random write.
Peak Sequential Mixed IO Speed
425 MB/s +1% 421 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed
42.7 MB/s 44.2 MB/s +4%
Market Share
Based on 6,772,431 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.32 % 0.69 % Hugely higher market share.
Value For Money
126 % Hugely better value.
65.8 %
User Rating
UBM User Rating
71 % 76 % Slightly more popular.
Price (score)
$119 $72 Much cheaper.
4 Months Hugely more recent.
41 Months
DQ Read
Peak 4K-64Thread Read Speed
369 MB/s +1% 364 MB/s
DQ Write
Peak 4K-64Thread Write Speed
282 MB/s +0% 281 MB/s
AS-SSD Total
AS-SSD Total Score
1,120 Pts 1,136 Pts +1%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
82.2 MB/s 111 MB/s Much faster peak deep queue mixed IO.
ADQ Read
Avg. 4K-64Thread Read Speed
169 MB/s 170 MB/s +1%
ADQ Write
Avg. 4K-64Thread Write Speed
176 MB/s +1% 175 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
50 MB/s 61.4 MB/s Faster deep queue mixed IO.
500GB 120GB
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 $169Nvidia GTX 1070 $447Samsung 850 Evo 250GB $100
Intel Core i7-8700K $325Nvidia GTX 1060-6GB $295Samsung 850 Evo 500GB $137
Intel Core i7-7700K $299AMD RX 480 $330Samsung 850 Pro 256GB $163
Seagate Barracuda 1TB (2016) $45Corsair 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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