CrucialCT525MX300SSD1
CrucialCT500BX100SSD1

Controller: Marvell 88SS1074. Flash Memory: Micron 3D TLC.

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

Real World Speed
Performance profile from 11,988 user samples
9,913 User Benchmarks
Best Bench: 86% 169GB free
Worst Bench: 54% 17GB free
Poor: 54% Great: 86%
SPEED RANK: 301st / 857
2,075 User Benchmarks
Best Bench: 107% 220GB free
Worst Bench: 64% 255GB free
Poor: 64% Great: 107%
SPEED RANK: 92nd / 857
Effective Speed
Effective SSD Speed
71.6 % -24% 88.9 % Faster effective speed.
+24%
Read
Avg. Sequential Read Speed
463 MB/s -7% 497 MB/s Slightly faster read speed.
+7%
Write
Avg. Sequential Write Speed
314 MB/s -31% 412 MB/s Much faster write speed.
+31%
4K Read
Avg. 4K Random Read Speed
23.2 MB/s -9% 25.4 MB/s Slightly faster random read.
+9%
4K Write
Avg. 4K Random Write Speed
60.5 MB/s -32% 79.7 MB/s Much faster random write.
+32%
Mixed
Avg. Sequential Mixed IO Speed
319 MB/s -39% 444 MB/s Much faster mixed IO speed.
+39%
4K Mixed
Avg. 4K Random Mixed IO Speed
18.5 MB/s -56% 28.9 MB/s Much faster random mixed IO.
+56%
Read
Peak Sequential Read Speed
486 MB/s -8% 525 MB/s Slightly faster peak read speed.
+8%
Write
Peak Sequential Write Speed
342 MB/s -27% 434 MB/s Faster peak write speed.
+27%
4K Read
Peak 4K Random Read Speed
27.8 MB/s -12% 31.2 MB/s Slightly faster peak random read.
+12%
4K Write
Peak 4K Random Write Speed
84.3 MB/s -40% 118 MB/s Much faster peak random write.
+40%
Mixed
Peak Sequential Mixed IO Speed
341 MB/s -38% 472 MB/s Much faster peak mixed IO speed.
+38%
4K Mixed
Peak 4K Random Mixed IO Speed
26.3 MB/s -53% 40.2 MB/s Much faster peak random mixed IO.
+53%
Market Share
Based on 3,517,083 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.96 % Hugely higher market share.
+773%
0.11 % -773%
Value
Value For Money
85.6 % -8% 92.4 % Slightly better value.
+8%
User Rating
UBM User Rating
60 % -5% 63 % +5%
Price
Price (score)
$157 Slightly cheaper.
+13%
$180 -13%
Age
Newest
14 Months Much more recent.
+55%
31 Months -55%
DQ Read
Peak 4K-64Thread Read Speed
334 MB/s Faster peak deep queue read.
+23%
272 MB/s -23%
DQ Write
Peak 4K-64Thread Write Speed
227 MB/s -28% 290 MB/s Faster peak deep queue write.
+28%
AS-SSD Total
AS-SSD Total Score
968 Pts -3% 996 Pts +3%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
47.3 MB/s -58% 74.5 MB/s Much faster peak deep queue mixed IO.
+58%
ADQ Read
Avg. 4K-64Thread Read Speed
168 MB/s Slightly faster deep queue read.
+6%
159 MB/s -6%
ADQ Write
Avg. 4K-64Thread Write Speed
144 MB/s -41% 203 MB/s Much faster deep queue write.
+41%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
30.7 MB/s -63% 50.1 MB/s Much faster deep queue mixed IO.
+63%
Capacity
Capacity
525GB 500GB
Solid State Drive Rankings (Price vs Performance) August 2017 SSD Rankings.

Welcome to our consumer SSD comparison. We calculate effective speed based on real world performance then adjust by cost per GB to yield a value for money rating. Calculated values don't always tell the whole picture so we check them against thousands of individual user ratings. The customizable table below combines these factors and more to bring you the definitive list of top SSDs. Share your opinion by voting. [SSDrivePro]

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 i7-7700K $300Nvidia GTX 1070 $410Samsung 850 Evo 250GB $99
AMD Ryzen 7 1700 $280AMD RX 480 $390Samsung 850 Pro 256GB $133
Intel Core i5-7600K $212Nvidia GTX 1060-6GB $271Samsung 850 Evo 500GB $165
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45G.SKILL Trident Z DDR4 3200 C14 4x16GB $718SanDisk Extreme 64GB $45
Seagate Barracuda 3TB (2016) $83Corsair Vengeance LPX DDR4 3000 C15 2x8GB $140SanDisk Extreme 32GB $22
Seagate Barracuda 7200.14 1TB $55HyperX Fury DDR4 2133 C14 2x8GB $140SanDisk Ultra Fit 32GB $13
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