SanDiskSDSSDXPS-480G-G25
CrucialCT525MX300SSD1

Controller: Marvell 88SS9187-BLD2. Flash Memory: SanDisk 19nm eX2 ABL MLC. Release date: Q2 2014.

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

Real World Speed
Performance profile from 29,318 user samples
3,250 User Benchmarks
Best Bench: 113% 446GB free
Worst Bench: 65% 62GB free (System drive)
Poor: 65% Great: 113%
SPEED RANK: 171st / 959
26,068 User Benchmarks
Best Bench: 100% 262GB free
Worst Bench: 65% 347GB free (System drive)
Poor: 65% Great: 100%
SPEED RANK: 219th / 959
Effective Speed
Effective SSD Speed
93.6 % Slightly faster effective speed.
+6%
88 %
Read
Avg. Sequential Read Speed
470 MB/s Faster read speed.
+17%
402 MB/s
Write
Avg. Sequential Write Speed
426 MB/s +4% 408 MB/s
4K Read
Avg. 4K Random Read Speed
28.9 MB/s Faster random read.
+17%
24.7 MB/s
4K Write
Avg. 4K Random Write Speed
79.1 MB/s 91.9 MB/s Faster random write.
+16%
Mixed
Avg. Sequential Mixed IO Speed
303 MB/s 352 MB/s Faster mixed IO speed.
+16%
4K Mixed
Avg. 4K Random Mixed IO Speed
31.8 MB/s 36.2 MB/s Slightly faster random mixed IO.
+14%
SusWrite
Avg. Sustained Write Speed
380 MB/s Faster sustained write speed.
+30%
293 MB/s
Read
Peak Sequential Read Speed
512 MB/s Faster peak read speed.
+17%
438 MB/s
Write
Peak Sequential Write Speed
486 MB/s +1% 481 MB/s
4K Read
Peak 4K Random Read Speed
36 MB/s Faster peak random read.
+26%
28.5 MB/s
4K Write
Peak 4K Random Write Speed
116 MB/s 120 MB/s +3%
Mixed
Peak Sequential Mixed IO Speed
472 MB/s Faster peak mixed IO speed.
+21%
389 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed
43 MB/s +0% 42.9 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average
476 MB/s Much faster peak sustained write speed.
+44%
331 MB/s
Market Share
Based on 9,081,289 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.05 % 0.55 % Hugely higher market share.
+1,000%
Value
Value For Money
81.4 % 129 % Much better value.
+59%
User Rating
UBM User Rating
62 % 64 % +3%
Price
Price (score)
$219 $119 Much cheaper.
+46%
Age
Newest
52 Months 28 Months Much more recent.
+46%
DQ Read
Peak 4K-64Thread Read Speed
378 MB/s Slightly faster peak deep queue read.
+7%
352 MB/s
DQ Write
Peak 4K-64Thread Write Speed
338 MB/s +3% 328 MB/s
AS-SSD Total
AS-SSD Total Score
1,217 Pts Slightly stronger server IO.
+6%
1,149 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
164 MB/s 330 MB/s Hugely faster peak deep queue mixed IO.
+101%
ADQ Read
Avg. 4K-64Thread Read Speed
289 MB/s 311 MB/s Slightly faster deep queue read.
+8%
ADQ Write
Avg. 4K-64Thread Write Speed
262 MB/s 284 MB/s Slightly faster deep queue write.
+8%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
123 MB/s 279 MB/s Hugely faster deep queue mixed IO.
+127%
Capacity
Capacity
480GB 525GB
Solid State Drive Rankings (Price vs Performance) October 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 $370Nvidia GTX 1070 $350Samsung 850 Evo 250GB $100
AMD Ryzen 5 1600 $155Nvidia GTX 1060-6GB $249Samsung 850 Evo 500GB $110
Intel Core i7-7700K $355AMD RX 480 $280Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $147SanDisk Extreme 64GB $42
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $869SanDisk Extreme 32GB $30
Seagate Barracuda 2TB (2016) $55Corsair Vengeance LPX DDR4 3200 C16 2x8GB $145SanDisk Ultra Fit 32GB $12
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