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 28,735 user samples
3,020 User Benchmarks
Best Bench: 107% 370GB free
Worst Bench: 65% 447GB free
Poor: 65% Great: 107%
SPEED RANK: 158th / 929
25,715 User Benchmarks
Best Bench: 84% 72GB free
Worst Bench: 53% 32GB free
Poor: 53% Great: 84%
SPEED RANK: 376th / 929
Effective Speed
Effective SSD Speed
87.8 % Faster effective speed.
+24%
70.9 %
Read
Avg. Sequential Read Speed
489 MB/s Slightly faster read speed.
+5%
464 MB/s
Write
Avg. Sequential Write Speed
436 MB/s Much faster write speed.
+41%
310 MB/s
4K Read
Avg. 4K Random Read Speed
27.9 MB/s Faster random read.
+22%
22.8 MB/s
4K Write
Avg. 4K Random Write Speed
74.2 MB/s Faster random write.
+23%
60.1 MB/s
Mixed
Avg. Sequential Mixed IO Speed
433 MB/s Much faster mixed IO speed.
+38%
314 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed
22.3 MB/s Faster random mixed IO.
+23%
18.2 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%
342 MB/s
4K Read
Peak 4K Random Read Speed
35.3 MB/s Faster peak random read.
+29%
27.4 MB/s
4K Write
Peak 4K Random Write Speed
109 MB/s Much faster peak random write.
+35%
81 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
29.7 MB/s Slightly faster peak random mixed IO.
+14%
26 MB/s
Market Share
Based on 7,231,067 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.08 % 0.56 % Hugely higher market share.
+600%
Value
Value For Money
76.4 % 104 % Much better value.
+36%
User Rating
UBM User Rating
62 % 64 % +3%
Price
Price (score)
$219 $119 Much cheaper.
+46%
Age
Newest
48 Months 24 Months Much more recent.
+50%
DQ Read
Peak 4K-64Thread Read Speed
358 MB/s Slightly faster peak deep queue read.
+9%
329 MB/s
DQ Write
Peak 4K-64Thread Write Speed
319 MB/s Much faster peak deep queue write.
+45%
220 MB/s
AS-SSD Total
AS-SSD Total Score
1,161 Pts Stronger server IO.
+22%
949 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
65.4 MB/s Much faster peak deep queue mixed IO.
+40%
46.8 MB/s
ADQ Read
Avg. 4K-64Thread Read Speed
198 MB/s Faster deep queue read.
+21%
163 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed
205 MB/s Much faster deep queue write.
+46%
140 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
46.5 MB/s Much faster deep queue mixed IO.
+65%
28.2 MB/s
Capacity
Capacity
480GB 525GB
Solid State Drive Rankings (Price vs Performance) June 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 $347Nvidia GTX 1070 $413Samsung 850 Evo 250GB $104
AMD Ryzen 5 1600 $160Nvidia GTX 1060-6GB $270Samsung 850 Evo 500GB $125
Intel Core i5-8600K $239AMD RX 480 $280Samsung 850 Pro 256GB $160
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $177SanDisk Extreme 64GB $44
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $911SanDisk Extreme 32GB $30
Seagate Barracuda 2TB (2016) $59HyperX Fury DDR4 2133 C14 2x8GB $226SanDisk Ultra Fit 32GB $12
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