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

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

Real World Speed
Performance profile from 3,443 user samples
2,946 User Benchmarks
Best Bench: 106% 21GB free
Worst Bench: 66% 71GB free
Poor: 66% Great: 106%
SPEED RANK: 111th / 885
497 User Benchmarks
Best Bench: 104% 168GB free
Worst Bench: 63% 206GB free
Poor: 63% Great: 104%
SPEED RANK: 143rd / 885
Effective Speed
Effective SSD Speed
89.2 % +5% 85.3 %
Avg. Sequential Read Speed
503 MB/s +3% 490 MB/s
Avg. Sequential Write Speed
418 MB/s +2% 408 MB/s
4K Read
Avg. 4K Random Read Speed
25 MB/s Slightly faster random read.
23.2 MB/s
4K Write
Avg. 4K Random Write Speed
79.9 MB/s Slightly faster random write.
73.6 MB/s
Avg. Sequential Mixed IO Speed
453 MB/s +3% 440 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed
28.8 MB/s Slightly faster random mixed IO.
26.7 MB/s
Peak Sequential Read Speed
525 MB/s +1% 521 MB/s
Peak Sequential Write Speed
435 MB/s 439 MB/s +1%
4K Read
Peak 4K Random Read Speed
30.7 MB/s +5% 29.3 MB/s
4K Write
Peak 4K Random Write Speed
115 MB/s +2% 113 MB/s
Peak Sequential Mixed IO Speed
472 MB/s 472 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed
39.8 MB/s Slightly faster peak random mixed IO.
37.8 MB/s
Market Share
Based on 5,659,521 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.06 % Hugely higher market share.
0.01 %
Value For Money
93.9 % Slightly better value.
81.8 %
User Rating
UBM User Rating
63 % Slightly more popular.
56 %
Price (score)
$177 Slightly cheaper.
37 Months Slightly more recent.
42 Months
DQ Read
Peak 4K-64Thread Read Speed
273 MB/s 275 MB/s +1%
DQ Write
Peak 4K-64Thread Write Speed
289 MB/s 293 MB/s +1%
AS-SSD Total
AS-SSD Total Score
993 Pts 995 Pts +0%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
74.5 MB/s 76.3 MB/s +2%
ADQ Read
Avg. 4K-64Thread Read Speed
158 MB/s +3% 154 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed
201 MB/s +2% 198 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
50.4 MB/s +2% 49.5 MB/s
500GB 512GB
Solid State Drive Rankings (Price vs Performance) February 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 $430Samsung 850 Evo 250GB $88
Intel Core i7-7700K $290Nvidia GTX 1060-6GB $285Samsung 850 Evo 500GB $149
AMD Ryzen 5 1600 $170AMD RX 480 $400Samsung 850 Pro 256GB $146
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $185SanDisk Extreme 64GB $50
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $975SanDisk Extreme 32GB $23
Seagate Barracuda 2TB (2016) $60Corsair Vengeance LPX DDR4 3200 C16 2x8GB $206SanDisk Extreme 16GB $18
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