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 7,896 user samples
6,003 User Benchmarks
Best Bench: 87% 437GB free
Worst Bench: 56% 341GB free
Poor: 56% Great: 87%
SPEED RANK: 287th / 850
1,893 User Benchmarks
Best Bench: 107% 6GB free
Worst Bench: 66% 255GB free
Poor: 66% Great: 107%
SPEED RANK: 84th / 850
Effective Speed
Effective SSD Speed
72.2 % -24% 89.2 % Faster effective speed.
+24%
Read
Avg. Sequential Read Speed
465 MB/s -7% 497 MB/s Slightly faster read speed.
+7%
Write
Avg. Sequential Write Speed
316 MB/s -31% 414 MB/s Much faster write speed.
+31%
4K Read
Avg. 4K Random Read Speed
23 MB/s -10% 25.2 MB/s Slightly faster random read.
+10%
4K Write
Avg. 4K Random Write Speed
60.7 MB/s -31% 79.8 MB/s Much faster random write.
+31%
Mixed
Avg. Sequential Mixed IO Speed
322 MB/s -39% 448 MB/s Much faster mixed IO speed.
+39%
4K Mixed
Avg. 4K Random Mixed IO Speed
19 MB/s -53% 29 MB/s Much faster random mixed IO.
+53%
Read
Peak Sequential Read Speed
486 MB/s -8% 524 MB/s Slightly faster peak read speed.
+8%
Write
Peak Sequential Write Speed
343 MB/s -27% 434 MB/s Faster peak write speed.
+27%
4K Read
Peak 4K Random Read Speed
27.8 MB/s -12% 31 MB/s Slightly faster peak random read.
+12%
4K Write
Peak 4K Random Write Speed
86.8 MB/s -32% 115 MB/s Much faster peak random write.
+32%
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
26.7 MB/s -50% 40 MB/s Much faster peak random mixed IO.
+50%
Market Share
Based on 2,813,985 SSDs tested.
Market Share
Market Share (trailing 30 days)
1.08 % Hugely higher market share.
+671%
0.14 % -671%
Value
Value For Money
87.1 % -11% 96.7 % Slightly better value.
+11%
User Rating
UBM User Rating
60 % -5% 63 % +5%
Price
Price (score)
$155 Slightly cheaper.
+9%
$170 -9%
Age
Newest
11 Months Much more recent.
+61%
28 Months -61%
DQ Read
Peak 4K-64Thread Read Speed
338 MB/s Faster peak deep queue read.
+23%
275 MB/s -23%
DQ Write
Peak 4K-64Thread Write Speed
227 MB/s -28% 291 MB/s Faster peak deep queue write.
+28%
AS-SSD Total
AS-SSD Total Score
976 Pts -2% 998 Pts +2%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
47.2 MB/s -58% 74.5 MB/s Much faster peak deep queue mixed IO.
+58%
ADQ Read
Avg. 4K-64Thread Read Speed
169 MB/s +3% 164 MB/s -3%
ADQ Write
Avg. 4K-64Thread Write Speed
149 MB/s -38% 206 MB/s Much faster deep queue write.
+38%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
30.3 MB/s -72% 52.1 MB/s Much faster deep queue mixed IO.
+72%
Capacity
Capacity
525GB 500GB
Solid State Drive Rankings (Price vs Performance) May 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 $309Nvidia GTX 1070 $368Samsung 850 Evo 250GB $98
AMD Ryzen 7 1700 $300AMD RX 480 $210Samsung 850 Pro 256GB $138
Intel Core i5-7600K $240Nvidia GTX 1060-6GB $230Samsung 850 Evo 500GB $167
HDDRAMUSB
Seagate Barracuda 1TB (2016) $50Corsair Vengeance LPX DDR4 3000 C15 2x8GB $127SanDisk Extreme 64GB $33
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $700SanDisk Extreme 32GB $22
Seagate Barracuda 7200.14 1TB $46Corsair Vengeance LPX DDR4 3200 C16 2x8GB $130SanDisk Ultra Fit 32GB $13
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