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 17,548 user samples
14,866 User Benchmarks
Best Bench: 87% 264GB free
Worst Bench: 56% 351GB free
Poor: 56% Great: 87%
SPEED RANK: 295th / 873
2,682 User Benchmarks
Best Bench: 107% 313GB free
Worst Bench: 64% 100GB free
Poor: 64% Great: 107%
SPEED RANK: 98th / 873
Effective Speed
Effective SSD Speed
72.5 % -23% 89.2 % Faster effective speed.
+23%
Read
Avg. Sequential Read Speed
467 MB/s -7% 500 MB/s Slightly faster read speed.
+7%
Write
Avg. Sequential Write Speed
314 MB/s -33% 418 MB/s Much faster write speed.
+33%
4K Read
Avg. 4K Random Read Speed
23.1 MB/s -9% 25.1 MB/s Slightly faster random read.
+9%
4K Write
Avg. 4K Random Write Speed
61.6 MB/s -28% 79 MB/s Faster random write.
+28%
Mixed
Avg. Sequential Mixed IO Speed
322 MB/s -40% 451 MB/s Much faster mixed IO speed.
+40%
4K Mixed
Avg. 4K Random Mixed IO Speed
19 MB/s -54% 29.2 MB/s Much faster random mixed IO.
+54%
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
27.9 MB/s -11% 30.9 MB/s Slightly faster peak random read.
+11%
4K Write
Peak 4K Random Write Speed
87 MB/s -33% 116 MB/s Much faster peak random write.
+33%
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
26.6 MB/s -51% 40.2 MB/s Much faster peak random mixed IO.
+51%
Market Share
Based on 4,725,021 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.93 % Hugely higher market share.
+830%
0.1 % -830%
Value
Value For Money
94.4 % Slightly better value.
+10%
86 % -10%
User Rating
UBM User Rating
62 % -2% 63 % +2%
Price
Price (score)
$140 Cheaper.
+30%
$199 -30%
Age
Newest
18 Months Much more recent.
+49%
35 Months -49%
DQ Read
Peak 4K-64Thread Read Speed
339 MB/s Faster peak deep queue read.
+24%
273 MB/s -24%
DQ Write
Peak 4K-64Thread Write Speed
228 MB/s -27% 290 MB/s Faster peak deep queue write.
+27%
AS-SSD Total
AS-SSD Total Score
979 Pts -2% 995 Pts +2%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
47.2 MB/s -58% 74.6 MB/s Much faster peak deep queue mixed IO.
+58%
ADQ Read
Avg. 4K-64Thread Read Speed
180 MB/s Slightly faster deep queue read.
+14%
158 MB/s -14%
ADQ Write
Avg. 4K-64Thread Write Speed
149 MB/s -34% 199 MB/s Much faster deep queue write.
+34%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
31 MB/s -70% 52.8 MB/s Much faster deep queue mixed IO.
+70%
Capacity
Capacity
525GB 500GB
Solid State Drive Rankings (Price vs Performance) December 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 $313Nvidia GTX 1070 $410Samsung 850 Evo 250GB $90
AMD Ryzen 7 1700 $285AMD RX 480 $265Samsung 850 Evo 500GB $140
Intel Core i5-7600K $215Nvidia GTX 1060-6GB $260Samsung 850 Pro 256GB $114
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $200SanDisk Extreme 64GB $41
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $1,050SanDisk Extreme 32GB $22
Seagate Barracuda 2TB (2016) $60Corsair Vengeance LPX DDR4 3200 C16 2x8GB $215SanDisk Ultra Fit 32GB $10
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