Controller: Marvell 88SS9187-BLD2. Flash Memory: SanDisk 19nm eX2 ABL MLC.

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

Real World Speed
Performance profile from 34,414 user samples
667 User Benchmarks
Best Bench: 108% 646GB free
Worst Bench: 65% 51GB free
Poor: 65% Great: 108%
SPEED RANK: 113th / 911
33,747 User Benchmarks
Best Bench: 116% 139GB free
Worst Bench: 74% 635GB free
Poor: 74% Great: 116%
SPEED RANK: 82nd / 911
Effective Speed
Effective SSD Speed
89.5 % 96.8 % Slightly faster effective speed.
Avg. Sequential Read Speed
487 MB/s 499 MB/s +2%
Avg. Sequential Write Speed
440 MB/s Slightly faster write speed.
394 MB/s
4K Read
Avg. 4K Random Read Speed
28.5 MB/s 37.8 MB/s Much faster random read.
4K Write
Avg. 4K Random Write Speed
76.9 MB/s 77.6 MB/s +1%
Avg. Sequential Mixed IO Speed
437 MB/s Slightly faster mixed IO speed.
400 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed
23.1 MB/s 35.3 MB/s Much faster random mixed IO.
Peak Sequential Read Speed
517 MB/s 519 MB/s +0%
Peak Sequential Write Speed
492 MB/s Faster peak write speed.
414 MB/s
4K Read
Peak 4K Random Read Speed
36.2 MB/s 46.8 MB/s Faster peak random read.
4K Write
Peak 4K Random Write Speed
119 MB/s Slightly faster peak random write.
104 MB/s
Peak Sequential Mixed IO Speed
479 MB/s Slightly faster peak mixed IO speed.
425 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed
30.2 MB/s 51 MB/s Much faster peak random mixed IO.
Market Share
Based on 6,060,410 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.01 % 0.81 % Insanely higher market share.
Value For Money
78.9 % 107 % Much better value.
User Rating
UBM User Rating
56 % 68 % More popular.
Price (score)
$430 $330 Cheaper.
45 Months 39 Months Slightly more recent.
DQ Read
Peak 4K-64Thread Read Speed
370 MB/s 373 MB/s +1%
DQ Write
Peak 4K-64Thread Write Speed
329 MB/s Faster peak deep queue write.
283 MB/s
AS-SSD Total
AS-SSD Total Score
1,201 Pts +4% 1,154 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
65.1 MB/s 134 MB/s Hugely faster peak deep queue mixed IO.
ADQ Read
Avg. 4K-64Thread Read Speed
208 MB/s 210 MB/s +1%
ADQ Write
Avg. 4K-64Thread Write Speed
216 MB/s Slightly faster deep queue write.
204 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
47.1 MB/s 86.2 MB/s Hugely faster deep queue mixed IO.
960GB 1TB
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
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