Controller: Samsung Dual Core MGX. Memory: Samsung 40nm TLC V-NAND

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

Real World Speed
Performance profile from 211,538 user samples
210,627 User Benchmarks
Best Bench: 116% 101GB free
Worst Bench: 72% 379GB free
Poor: 72% Great: 116%
SPEED RANK: 115th / 927
911 User Benchmarks
Best Bench: 108% 931GB free
Worst Bench: 66% 121GB free
Poor: 66% Great: 108%
SPEED RANK: 134th / 927
Effective Speed
Effective SSD Speed
95.7 % Slightly faster effective speed.
90.7 %
Avg. Sequential Read Speed
498 MB/s 506 MB/s +2%
Avg. Sequential Write Speed
394 MB/s +3% 383 MB/s
4K Read
Avg. 4K Random Read Speed
38.1 MB/s Faster random read.
31.6 MB/s
4K Write
Avg. 4K Random Write Speed
77.6 MB/s Slightly faster random write.
73.2 MB/s
Avg. Sequential Mixed IO Speed
402 MB/s 407 MB/s +1%
4K Mixed
Avg. 4K Random Mixed IO Speed
34.6 MB/s Slightly faster random mixed IO.
31.5 MB/s
Peak Sequential Read Speed
518 MB/s 529 MB/s +2%
Peak Sequential Write Speed
415 MB/s +3% 404 MB/s
4K Read
Peak 4K Random Read Speed
46.5 MB/s Faster peak random read.
38.6 MB/s
4K Write
Peak 4K Random Write Speed
104 MB/s Slightly faster peak random write.
96.4 MB/s
Peak Sequential Mixed IO Speed
422 MB/s 425 MB/s +1%
4K Mixed
Peak 4K Random Mixed IO Speed
49.8 MB/s Slightly faster peak random mixed IO.
44.2 MB/s
Market Share
Based on 6,772,158 SSDs tested.
Market Share
Market Share (trailing 30 days)
5.2 % Insanely higher market share.
0.24 %
Value For Money
122 % 132 % Slightly better value.
User Rating
UBM User Rating
102 % Much more popular.
70 %
Price (score)
$137 Much cheaper.
41 Months 4 Months Hugely more recent.
DQ Read
Peak 4K-64Thread Read Speed
377 MB/s 377 MB/s
DQ Write
Peak 4K-64Thread Write Speed
284 MB/s 284 MB/s
AS-SSD Total
AS-SSD Total Score
1,161 Pts +2% 1,137 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
129 MB/s Much faster peak deep queue mixed IO.
86 MB/s
ADQ Read
Avg. 4K-64Thread Read Speed
184 MB/s 197 MB/s Slightly faster deep queue read.
ADQ Write
Avg. 4K-64Thread Write Speed
191 MB/s +5% 182 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
69.1 MB/s Faster deep queue mixed IO.
55 MB/s
500GB 1TB

Crucial MX500 1TB performance within a whisker of the Samsung 850 EVO, which in real life means it feels just as fast, at 11% lower price. Saved £30! [Jan '18 SUpstone5]


Solid State Drive Rankings (Price vs Performance) May 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.
AMD Ryzen 5 1600 $169Nvidia GTX 1070 $447Samsung 850 Evo 250GB $100
Intel Core i7-8700K $325Nvidia GTX 1060-6GB $295Samsung 850 Evo 500GB $137
Intel Core i7-7700K $299AMD RX 480 $330Samsung 850 Pro 256GB $163
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $180SanDisk Extreme 64GB $41
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $960SanDisk Extreme 32GB $30
Seagate Barracuda 2TB (2016) $60HyperX Fury DDR4 2133 C14 2x8GB $226SanDisk Extreme 16GB $20
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