SanDiskSDSSDHII-480G-G25
CrucialCT525MX300SSD1

Controller: Marvell 88SS9187. Memory: SanDisk 19nm TLC. Release date: Q3 2014.

Controller: Marvell 88SS1074. Flash Memory: Micron 3D TLC. Release date: Q2 2016.

Real World Speed
Performance profile from 40,800 user samples
14,690 User Benchmarks
Best Bench: 109% 187GB free
Worst Bench: 55% 95GB free (System drive)
Poor: 55% Great: 109%
SPEED RANK: 242nd / 956
26,110 User Benchmarks
Best Bench: 100% 262GB free
Worst Bench: 68% 107GB free (System drive)
Poor: 68% Great: 100%
SPEED RANK: 204th / 956
Effective Speed
Effective SSD Speed
85.4 % 88 % +3%
Read
Avg. Sequential Read Speed
450 MB/s Slightly faster read speed.
+12%
400 MB/s
Write
Avg. Sequential Write Speed
392 MB/s 403 MB/s +3%
4K Read
Avg. 4K Random Read Speed
28.5 MB/s Faster random read.
+15%
24.7 MB/s
4K Write
Avg. 4K Random Write Speed
76.4 MB/s 93.5 MB/s Faster random write.
+22%
Mixed
Avg. Sequential Mixed IO Speed
270 MB/s 345 MB/s Faster mixed IO speed.
+28%
4K Mixed
Avg. 4K Random Mixed IO Speed
35.8 MB/s 36.4 MB/s +2%
SusWrite
Avg. Sustained Write Speed
238 MB/s 291 MB/s Faster sustained write speed.
+22%
Read
Peak Sequential Read Speed
504 MB/s Faster peak read speed.
+15%
438 MB/s
Write
Peak Sequential Write Speed
480 MB/s 481 MB/s +0%
4K Read
Peak 4K Random Read Speed
38.9 MB/s Much faster peak random read.
+36%
28.6 MB/s
4K Write
Peak 4K Random Write Speed
123 MB/s 124 MB/s +1%
Mixed
Peak Sequential Mixed IO Speed
346 MB/s 388 MB/s Slightly faster peak mixed IO speed.
+12%
4K Mixed
Peak 4K Random Mixed IO Speed
50.6 MB/s Faster peak random mixed IO.
+17%
43.1 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average
345 MB/s +5% 330 MB/s
Market Share
Based on 8,001,532 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.4 % 0.49 % Higher market share.
+22%
Value
Value For Money
134 % 136 % +2%
User Rating
UBM User Rating
65 % +2% 64 %
Price
Price (score)
$100 Slightly cheaper.
+10%
$111
Age
Newest
47 Months 26 Months Much more recent.
+45%
DQ Read
Peak 4K-64Thread Read Speed
390 MB/s Slightly faster peak deep queue read.
+11%
352 MB/s
DQ Write
Peak 4K-64Thread Write Speed
311 MB/s 327 MB/s Slightly faster peak deep queue write.
+5%
AS-SSD Total
AS-SSD Total Score
1,219 Pts Slightly stronger server IO.
+6%
1,152 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
251 MB/s 330 MB/s Much faster peak deep queue mixed IO.
+31%
ADQ Read
Avg. 4K-64Thread Read Speed
330 MB/s Slightly faster deep queue read.
+7%
307 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed
258 MB/s 284 MB/s Slightly faster deep queue write.
+10%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
196 MB/s 280 MB/s Much faster deep queue mixed IO.
+43%
Capacity
Capacity
480GB 525GB
Solid State Drive Rankings (Price vs Performance) August 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 - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.
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.
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write, sustained write and mixed IO.
  • - 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 current market leaders.
  • - Explore your best upgrade options with a virtual PC build.
  • - Compare your in-game FPS to other users with your hardware.
  • - Share your opinion by voting.

 Frequently Asked Questions

 Best User Rated

The Best.
CPUGPUSSD
Intel Core i7-8700K $330Nvidia GTX 1070 $370Samsung 850 Evo 250GB $95
AMD Ryzen 5 1600 $150Nvidia GTX 1060-6GB $240Samsung 850 Evo 500GB $120
Intel Core i5-8600K $240AMD RX 480 $280Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $155SanDisk Extreme 64GB $80
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $901SanDisk Extreme 32GB $30
WD Blue 1TB (2012) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $175SanDisk Ultra Fit 32GB $12
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