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

Controller: Silicon Motion SM2246EN. Flash Memory: Micron 16nm MLC.

Real World Speed
Performance profile from 3,936 user samples
533 User Benchmarks
Best Bench: 104% 168GB free
Worst Bench: 63% 206GB free
Poor: 63% Great: 104%
SPEED RANK: 176th / 921
3,403 User Benchmarks
Best Bench: 105% 311GB free
Worst Bench: 65% 334GB free
Poor: 65% Great: 105%
SPEED RANK: 149th / 921
Effective Speed
Effective SSD Speed
85.5 % 88.1 % +3%
Avg. Sequential Read Speed
490 MB/s 500 MB/s +2%
Avg. Sequential Write Speed
409 MB/s 417 MB/s +2%
4K Read
Avg. 4K Random Read Speed
23.3 MB/s 24.7 MB/s Slightly faster random read.
4K Write
Avg. 4K Random Write Speed
73.8 MB/s 77.1 MB/s +4%
Avg. Sequential Mixed IO Speed
440 MB/s 451 MB/s +2%
4K Mixed
Avg. 4K Random Mixed IO Speed
26.7 MB/s 28.3 MB/s Slightly faster random mixed IO.
Peak Sequential Read Speed
521 MB/s 524 MB/s +1%
Peak Sequential Write Speed
439 MB/s +1% 435 MB/s
4K Read
Peak 4K Random Read Speed
29.3 MB/s 30.3 MB/s +3%
4K Write
Peak 4K Random Write Speed
112 MB/s +1% 111 MB/s
Peak Sequential Mixed IO Speed
472 MB/s 472 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed
37.8 MB/s 39.6 MB/s +5%
Market Share
Based on 6,418,689 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.02 % 0.1 % Hugely higher market share.
Value For Money
82 % 92.8 % Slightly better value.
User Rating
UBM User Rating
56 % 63 % Slightly more popular.
Price (score)
$205 $177 Slightly cheaper.
44 Months 39 Months Slightly more recent.
DQ Read
Peak 4K-64Thread Read Speed
275 MB/s +1% 273 MB/s
DQ Write
Peak 4K-64Thread Write Speed
293 MB/s +1% 289 MB/s
AS-SSD Total
AS-SSD Total Score
994 Pts +1% 988 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
76.3 MB/s +2% 74.5 MB/s
ADQ Read
Avg. 4K-64Thread Read Speed
156 MB/s +1% 154 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed
199 MB/s 199 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
49.6 MB/s 51.3 MB/s +3%
512GB 500GB
Solid State Drive Rankings (Price vs Performance) April 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 $80
AMD Ryzen 5 1600 $170Nvidia GTX 1060-6GB $310Samsung 850 Evo 500GB $137
Intel Core i7-7700K $290AMD RX 480 $350Samsung 850 Pro 256GB $163
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $190SanDisk Extreme 64GB $70
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $957SanDisk Extreme 32GB $45
Seagate Barracuda 2TB (2016) $60Corsair Vengeance LPX DDR4 3200 C16 2x8GB $204SanDisk Ultra Fit 32GB $12
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