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

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

Real World Speed
Performance profile from 23,389 user samples
3,150 User Benchmarks
Best Bench: 105% 247GB free
Worst Bench: 69% 334GB free
Poor: 69% Great: 105%
SPEED RANK: 115th / 911
20,239 User Benchmarks
Best Bench: 120% 327GB free
Worst Bench: 71% 106GB free
Poor: 71% Great: 120%
SPEED RANK: 79th / 911
Effective Speed
Effective SSD Speed
89.4 % 98.6 % Slightly faster effective speed.
Avg. Sequential Read Speed
504 MB/s +1% 500 MB/s
Avg. Sequential Write Speed
419 MB/s 443 MB/s Slightly faster write speed.
4K Read
Avg. 4K Random Read Speed
25 MB/s 32.1 MB/s Faster random read.
4K Write
Avg. 4K Random Write Speed
78.8 MB/s 85 MB/s Slightly faster random write.
Avg. Sequential Mixed IO Speed
454 MB/s 466 MB/s +3%
4K Mixed
Avg. 4K Random Mixed IO Speed
28.9 MB/s 35 MB/s Faster random mixed IO.
Peak Sequential Read Speed
525 MB/s 528 MB/s +1%
Peak Sequential Write Speed
435 MB/s 502 MB/s Faster peak write speed.
4K Read
Peak 4K Random Read Speed
30.5 MB/s 42 MB/s Much faster peak random read.
4K Write
Peak 4K Random Write Speed
113 MB/s 118 MB/s +4%
Peak Sequential Mixed IO Speed
472 MB/s 515 MB/s Slightly faster peak mixed IO speed.
4K Mixed
Peak 4K Random Mixed IO Speed
39.7 MB/s 51.9 MB/s Much faster peak random mixed IO.
Market Share
Based on 6,060,410 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.08 % 0.47 % Hugely higher market share.
Value For Money
94 % Slightly better value.
86.2 %
User Rating
UBM User Rating
63 % 74 % More popular.
Price (score)
$177 Cheaper.
38 Months Slightly more recent.
44 Months
DQ Read
Peak 4K-64Thread Read Speed
273 MB/s 375 MB/s Much faster peak deep queue read.
DQ Write
Peak 4K-64Thread Write Speed
290 MB/s 339 MB/s Faster peak deep queue write.
AS-SSD Total
AS-SSD Total Score
991 Pts 1,232 Pts Stronger server IO.
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
74.5 MB/s 169 MB/s Hugely faster peak deep queue mixed IO.
ADQ Read
Avg. 4K-64Thread Read Speed
163 MB/s 194 MB/s Faster deep queue read.
ADQ Write
Avg. 4K-64Thread Write Speed
202 MB/s 223 MB/s Slightly faster deep queue write.
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
51.5 MB/s 88.1 MB/s Much faster deep queue mixed IO.
500GB 512GB
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 $150
AMD Ryzen 5 1600 $188AMD RX 480 $400Samsung 850 Pro 256GB $139
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $190SanDisk Extreme 64GB $44
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $931SanDisk Extreme 32GB $23
Seagate Barracuda 2TB (2016) $60Corsair Vengeance LPX DDR4 3200 C16 2x8GB $216SanDisk Extreme 16GB $18
Today's hottest deals
User Guide  •  About  •  FAQs  •  Email  •  Privacy  •  Developer Feedback