CrucialCT525MX300SSD1
SanDiskSDSSDHII-480G-G25

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

Controller: Marvell 88SS9187. Memory: SanDisk 19nm TLC.

Real World Speed
Performance profile from 21,286 user samples
11,529 User Benchmarks
Best Bench: 87% 435GB free
Worst Bench: 53% 77GB free
Poor: 53% Great: 87%
SPEED RANK: 290th / 860
9,757 User Benchmarks
Best Bench: 84% 447GB free
Worst Bench: 49% 181GB free
Poor: 49% Great: 84%
SPEED RANK: 372nd / 860
Effective Speed
Effective SSD Speed
72 % Slightly faster effective speed.
+7%
67.6 % -7%
Read
Avg. Sequential Read Speed
466 MB/s -1% 472 MB/s +1%
Write
Avg. Sequential Write Speed
314 MB/s Faster write speed.
+15%
273 MB/s -15%
4K Read
Avg. 4K Random Read Speed
23.2 MB/s -18% 27.4 MB/s Faster random read.
+18%
4K Write
Avg. 4K Random Write Speed
61 MB/s Faster random write.
+24%
49.2 MB/s -24%
Mixed
Avg. Sequential Mixed IO Speed
323 MB/s Faster mixed IO speed.
+21%
266 MB/s -21%
4K Mixed
Avg. 4K Random Mixed IO Speed
18.8 MB/s Faster random mixed IO.
+30%
14.5 MB/s -30%
Read
Peak Sequential Read Speed
486 MB/s -3% 501 MB/s +3%
Write
Peak Sequential Write Speed
343 MB/s -1% 346 MB/s +1%
4K Read
Peak 4K Random Read Speed
28 MB/s -29% 36.2 MB/s Faster peak random read.
+29%
4K Write
Peak 4K Random Write Speed
86.2 MB/s Slightly faster peak random write.
+7%
80.2 MB/s -7%
Mixed
Peak Sequential Mixed IO Speed
341 MB/s +1% 336 MB/s -1%
4K Mixed
Peak 4K Random Mixed IO Speed
26.7 MB/s Faster peak random mixed IO.
+28%
20.9 MB/s -28%
Market Share
Based on 4,111,554 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.73 % 0% 0.73 % 0%
Value
Value For Money
89.4 % Slightly better value.
+9%
82.3 % -9%
User Rating
UBM User Rating
62 % -2% 63 % +2%
Price
Price (score)
$149 -6% $140 Slightly cheaper.
+6%
Age
Newest
16 Months Much more recent.
+57%
37 Months -57%
DQ Read
Peak 4K-64Thread Read Speed
340 MB/s -8% 367 MB/s Slightly faster peak deep queue read.
+8%
DQ Write
Peak 4K-64Thread Write Speed
227 MB/s Slightly faster peak deep queue write.
+9%
208 MB/s -9%
AS-SSD Total
AS-SSD Total Score
979 Pts -3% 1,013 Pts +3%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
47.4 MB/s -3% 48.6 MB/s +3%
ADQ Read
Avg. 4K-64Thread Read Speed
172 MB/s -6% 182 MB/s Slightly faster deep queue read.
+6%
ADQ Write
Avg. 4K-64Thread Write Speed
143 MB/s Slightly faster deep queue write.
+8%
132 MB/s -8%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
30.8 MB/s +4% 29.6 MB/s -4%
Capacity
Capacity
525GB 480GB
Solid State Drive Rankings (Price vs Performance) October 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 $380Samsung 850 Evo 250GB $98
AMD Ryzen 7 1700 $280AMD RX 480 $491Samsung 850 Pro 256GB $120
Intel Core i5-7600K $220Nvidia GTX 1060-6GB $260Samsung 850 Evo 500GB $159
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $163SanDisk Extreme 64GB $33
Seagate Barracuda 3TB (2016) $75G.SKILL Trident Z DDR4 3200 C14 4x16GB $842SanDisk Extreme 32GB $22
Seagate Barracuda 2TB (2016) $60Corsair Vengeance LPX DDR4 3200 C16 2x8GB $180SanDisk Ultra Fit 32GB $13
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