CrucialCT512MX100SSD1
$200
CrucialCT500BX100SSD1
 $200 

Controller: Marvell 88SS9189. Flash Memory: Micron 16nm MLC.

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

Real World Speed
Performance profile from 13,532 user samples
10,120 User Benchmarks
Best Bench: 104% 389GB free
Worst Bench: 64% 410GB free
Poor: 64% Great: 104%
SPEED RANK: 152nd / 921
3,412 User Benchmarks
Best Bench: 105% 32GB free
Worst Bench: 65% 334GB free
Poor: 65% Great: 105%
SPEED RANK: 146th / 921
Effective Speed
Effective SSD Speed
87.7 % 88.3 % +1%
Read
Avg. Sequential Read Speed
486 MB/s 500 MB/s +3%
Write
Avg. Sequential Write Speed
454 MB/s Slightly faster write speed.
+9%
418 MB/s
4K Read
Avg. 4K Random Read Speed
24.9 MB/s +1% 24.7 MB/s
4K Write
Avg. 4K Random Write Speed
83.5 MB/s Slightly faster random write.
+8%
77.2 MB/s
Mixed
Avg. Sequential Mixed IO Speed
434 MB/s 450 MB/s +4%
4K Mixed
Avg. 4K Random Mixed IO Speed
24.7 MB/s 28.4 MB/s Slightly faster random mixed IO.
+15%
Read
Peak Sequential Read Speed
514 MB/s 524 MB/s +2%
Write
Peak Sequential Write Speed
481 MB/s Slightly faster peak write speed.
+11%
435 MB/s
4K Read
Peak 4K Random Read Speed
30.6 MB/s +1% 30.2 MB/s
4K Write
Peak 4K Random Write Speed
121 MB/s Slightly faster peak random write.
+9%
111 MB/s
Mixed
Peak Sequential Mixed IO Speed
476 MB/s +1% 472 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed
33.5 MB/s 39.5 MB/s Faster peak random mixed IO.
+18%
Market Share
Based on 6,466,514 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.13 % Much higher market share.
+62%
0.08 %
Value
Value For Money
85.7 % 93 % Slightly better value.
+8%
User Rating
UBM User Rating
58 % 63 % Slightly more popular.
+9%
Price
Price (score)
$200 $177 Slightly cheaper.
+11%
Age
Newest
46 Months 39 Months More recent.
+15%
DQ Read
Peak 4K-64Thread Read Speed
160 MB/s 273 MB/s Much faster peak deep queue read.
+71%
DQ Write
Peak 4K-64Thread Write Speed
325 MB/s Slightly faster peak deep queue write.
+12%
289 MB/s
AS-SSD Total
AS-SSD Total Score
871 Pts 988 Pts Slightly stronger server IO.
+13%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
50.8 MB/s 74.6 MB/s Much faster peak deep queue mixed IO.
+47%
ADQ Read
Avg. 4K-64Thread Read Speed
96.8 MB/s 156 MB/s Much faster deep queue read.
+61%
ADQ Write
Avg. 4K-64Thread Write Speed
195 MB/s 200 MB/s +3%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
32.7 MB/s 52.2 MB/s Much faster deep queue mixed IO.
+60%
Capacity
Capacity
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]

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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 userbenchmark.com.
  • - 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.
CPUGPUSSD
Intel Core i7-8700K $330Nvidia GTX 1070 $447Samsung 850 Evo 250GB $90
Intel Core i7-7700K $290Nvidia GTX 1060-6GB $290Samsung 850 Evo 500GB $136
AMD Ryzen 5 1600 $176AMD RX 480 $350Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $183SanDisk Extreme 64GB $70
Seagate Barracuda 3TB (2016) $75G.SKILL Trident Z DDR4 3200 C14 4x16GB $957SanDisk Extreme 32GB $46
Seagate Barracuda 2TB (2016) $36Corsair Vengeance LPX DDR4 3200 C16 2x8GB $193SanDisk Ultra Fit 32GB $12
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