SanDiskSDSSDXPS-480G-G25
CrucialCT525MX300SSD1

Controller: Marvell 88SS9187-BLD2. Flash Memory: SanDisk 19nm eX2 ABL MLC.

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

Real World Speed
Performance profile from 23,598 user samples
2,427 User Benchmarks
Best Bench: 107% 304GB free
Worst Bench: 65% 447GB free
Poor: 65% Great: 107%
SPEED RANK: 158th / 921
21,171 User Benchmarks
Best Bench: 84% 381GB free
Worst Bench: 56% 107GB free
Poor: 56% Great: 84%
SPEED RANK: 375th / 921
Effective Speed
Effective SSD Speed
86.9 % Faster effective speed.
+23%
70.5 %
Read
Avg. Sequential Read Speed
488 MB/s Slightly faster read speed.
+6%
462 MB/s
Write
Avg. Sequential Write Speed
435 MB/s Much faster write speed.
+40%
311 MB/s
4K Read
Avg. 4K Random Read Speed
27.2 MB/s Faster random read.
+20%
22.6 MB/s
4K Write
Avg. 4K Random Write Speed
72 MB/s Faster random write.
+22%
59.1 MB/s
Mixed
Avg. Sequential Mixed IO Speed
434 MB/s Much faster mixed IO speed.
+37%
316 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed
22 MB/s Faster random mixed IO.
+22%
18 MB/s
Read
Peak Sequential Read Speed
516 MB/s Slightly faster peak read speed.
+6%
486 MB/s
Write
Peak Sequential Write Speed
495 MB/s Much faster peak write speed.
+45%
341 MB/s
4K Read
Peak 4K Random Read Speed
35.3 MB/s Faster peak random read.
+28%
27.5 MB/s
4K Write
Peak 4K Random Write Speed
109 MB/s Much faster peak random write.
+33%
82 MB/s
Mixed
Peak Sequential Mixed IO Speed
485 MB/s Much faster peak mixed IO speed.
+42%
341 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed
29.9 MB/s Faster peak random mixed IO.
+15%
25.9 MB/s
Market Share
Based on 6,460,555 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.07 % 0.64 % Hugely higher market share.
+814%
Value
Value For Money
78.3 % 94.3 % Better value.
+20%
User Rating
UBM User Rating
62 % 64 % +3%
Price
Price (score)
$209 $135 Much cheaper.
+35%
Age
Newest
46 Months 22 Months Much more recent.
+52%
DQ Read
Peak 4K-64Thread Read Speed
359 MB/s Slightly faster peak deep queue read.
+8%
332 MB/s
DQ Write
Peak 4K-64Thread Write Speed
320 MB/s Much faster peak deep queue write.
+45%
221 MB/s
AS-SSD Total
AS-SSD Total Score
1,164 Pts Stronger server IO.
+22%
956 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
65.3 MB/s Much faster peak deep queue mixed IO.
+39%
47 MB/s
ADQ Read
Avg. 4K-64Thread Read Speed
196 MB/s Faster deep queue read.
+20%
163 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed
201 MB/s Much faster deep queue write.
+45%
139 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
45.7 MB/s Much faster deep queue mixed IO.
+55%
29.5 MB/s
Capacity
Capacity
480GB 525GB
Solid State Drive Rankings (Price vs Performance) April 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 - Sometimes benchmarks get it completely wrong...
  • Fastest real world speed - Real World Speed measures performance for typical consumers.
  • Best value for money - Value for money is based on real world performance, price and capacity.
  • Raw speed comparison - Raw speed readings.
  • Details ordered by value - Detailed performance stats ordered by overall value for money.
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 i7-8700K $330Nvidia GTX 1070 $447Samsung 850 Evo 250GB $90
Intel Core i7-7700K $290Nvidia GTX 1060-6GB $300Samsung 850 Evo 500GB $136
AMD Ryzen 5 1600 $176AMD RX 480 $350Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $183SanDisk Extreme 64GB $70
Seagate Barracuda 3TB (2016) $75G.SKILL Trident Z DDR4 3200 C14 4x16GB $957SanDisk Extreme 32GB $46
Seagate Barracuda 2TB (2016) $60Corsair Vengeance LPX DDR4 3200 C16 2x8GB $193SanDisk Ultra Fit 32GB $12
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