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 10,567 user samples
1,484 User Benchmarks
Best Bench: 109% 187GB free
Worst Bench: 67% 277GB free
Poor: 67% Great: 109%
SPEED RANK: 82nd / 853
9,083 User Benchmarks
Best Bench: 87% 150GB free
Worst Bench: 55% 211GB free
Poor: 55% Great: 87%
SPEED RANK: 298th / 853
Effective Speed
Effective SSD Speed
89.6 % Faster effective speed.
+25%
71.6 % -25%
Read
Avg. Sequential Read Speed
491 MB/s Slightly faster read speed.
+6%
463 MB/s -6%
Write
Avg. Sequential Write Speed
441 MB/s Much faster write speed.
+41%
312 MB/s -41%
4K Read
Avg. 4K Random Read Speed
28.6 MB/s Faster random read.
+25%
22.9 MB/s -25%
4K Write
Avg. 4K Random Write Speed
79.3 MB/s Much faster random write.
+31%
60.6 MB/s -31%
Mixed
Avg. Sequential Mixed IO Speed
442 MB/s Much faster mixed IO speed.
+38%
320 MB/s -38%
4K Mixed
Avg. 4K Random Mixed IO Speed
22.7 MB/s Faster random mixed IO.
+21%
18.7 MB/s -21%
Read
Peak Sequential Read Speed
516 MB/s Slightly faster peak read speed.
+6%
486 MB/s -6%
Write
Peak Sequential Write Speed
496 MB/s Much faster peak write speed.
+45%
342 MB/s -45%
4K Read
Peak 4K Random Read Speed
36.2 MB/s Much faster peak random read.
+31%
27.6 MB/s -31%
4K Write
Peak 4K Random Write Speed
116 MB/s Much faster peak random write.
+34%
86.3 MB/s -34%
Mixed
Peak Sequential Mixed IO Speed
485 MB/s Much faster peak mixed IO speed.
+42%
341 MB/s -42%
4K Mixed
Peak 4K Random Mixed IO Speed
30.4 MB/s Slightly faster peak random mixed IO.
+15%
26.5 MB/s -15%
Market Share
Based on 3,324,546 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.12 % -733% 1 % Hugely higher market share.
+733%
Value
Value For Money
80.8 % -22% 98.5 % Better value.
+22%
User Rating
UBM User Rating
62 % +3% 60 % -3%
Price
Price (score)
$209 -38% $130 Much cheaper.
+38%
Age
Newest
37 Months -65% 13 Months Much more recent.
+65%
DQ Read
Peak 4K-64Thread Read Speed
368 MB/s Slightly faster peak deep queue read.
+9%
339 MB/s -9%
DQ Write
Peak 4K-64Thread Write Speed
329 MB/s Much faster peak deep queue write.
+48%
223 MB/s -48%
AS-SSD Total
AS-SSD Total Score
1,195 Pts Stronger server IO.
+23%
973 Pts -23%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
65.5 MB/s Much faster peak deep queue mixed IO.
+38%
47.5 MB/s -38%
ADQ Read
Avg. 4K-64Thread Read Speed
197 MB/s Faster deep queue read.
+16%
170 MB/s -16%
ADQ Write
Avg. 4K-64Thread Write Speed
215 MB/s Much faster deep queue write.
+49%
144 MB/s -49%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
45.6 MB/s Much faster deep queue mixed IO.
+46%
31.2 MB/s -46%
Capacity
Capacity
480GB 525GB
Solid State Drive Rankings (Price vs Performance) July 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 $337Nvidia GTX 1070 $390Samsung 850 Evo 250GB $96
AMD Ryzen 7 1700 $280AMD RX 480 $379Samsung 850 Pro 256GB $120
Intel Core i5-7600K $235Nvidia GTX 1060-6GB $33Samsung 850 Evo 500GB $162
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $140SanDisk Extreme 64GB $33
Seagate Barracuda 3TB (2016) $83G.SKILL Trident Z DDR4 3200 C14 4x16GB $714SanDisk Extreme 32GB $22
Seagate Barracuda 7200.14 1TB $40HyperX Fury DDR4 2133 C14 2x8GB $140SanDisk Ultra Fit 32GB $13
Today's hottest deals
User Guide  •  About  •  FAQs  •  Email  •  Privacy  •  Developer Feedback