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

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

Real World Speed
Performance profile from 19,628 user samples
19,062 User Benchmarks
Best Bench: 122% 328GB free
Worst Bench: 66% 142GB free
Poor: 66% Great: 122%
SPEED RANK: 80th / 908
566 User Benchmarks
Best Bench: 107% 408GB free
Worst Bench: 65% 309GB free
Poor: 65% Great: 107%
SPEED RANK: 124th / 908
Effective Speed
Effective SSD Speed
97.8 % Slightly faster effective speed.
87.7 %
Avg. Sequential Read Speed
500 MB/s 506 MB/s +1%
Avg. Sequential Write Speed
436 MB/s Slightly faster write speed.
385 MB/s
4K Read
Avg. 4K Random Read Speed
32.2 MB/s +5% 30.8 MB/s
4K Write
Avg. 4K Random Write Speed
85.3 MB/s Faster random write.
68.4 MB/s
Avg. Sequential Mixed IO Speed
458 MB/s Slightly faster mixed IO speed.
408 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed
34.5 MB/s Faster random mixed IO.
29.3 MB/s
Peak Sequential Read Speed
528 MB/s +0% 527 MB/s
Peak Sequential Write Speed
502 MB/s Faster peak write speed.
404 MB/s
4K Read
Peak 4K Random Read Speed
42.3 MB/s Slightly faster peak random read.
39.4 MB/s
4K Write
Peak 4K Random Write Speed
119 MB/s Faster peak random write.
95.5 MB/s
Peak Sequential Mixed IO Speed
515 MB/s Faster peak mixed IO speed.
424 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed
53.6 MB/s Faster peak random mixed IO.
42.8 MB/s
Market Share
Based on 5,993,412 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.42 % Much higher market share.
0.26 %
Value For Money
83.8 % 116 % Much better value.
User Rating
UBM User Rating
74 % Slightly more popular.
68 %
Price (score)
$238 $130 Much cheaper.
44 Months 2 Months Hugely more recent.
DQ Read
Peak 4K-64Thread Read Speed
375 MB/s +2% 368 MB/s
DQ Write
Peak 4K-64Thread Write Speed
340 MB/s Faster peak deep queue write.
278 MB/s
AS-SSD Total
AS-SSD Total Score
1,234 Pts Slightly stronger server IO.
1,118 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
167 MB/s Hugely faster peak deep queue mixed IO.
82.1 MB/s
ADQ Read
Avg. 4K-64Thread Read Speed
190 MB/s Slightly faster deep queue read.
166 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed
219 MB/s Much faster deep queue write.
168 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
88 MB/s Much faster deep queue mixed IO.
50.6 MB/s
512GB 500GB
Solid State Drive Rankings (Price vs Performance) March 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 $330Nvidia GTX 1070 $447Samsung 850 Evo 250GB $85
Intel Core i7-7700K $290Nvidia GTX 1060-6GB $335Samsung 850 Evo 500GB $139
AMD Ryzen 5 1600 $189AMD RX 480 $400Samsung 850 Pro 256GB $140
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $198SanDisk Extreme 64GB $44
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $931SanDisk Extreme 32GB $23
Seagate Barracuda 7200.14 1TB $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $205SanDisk Extreme 16GB $18
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