CrucialCT480BX300SSD1
AdataASU800SS-128GT-C

Controller: Silicon Motion SM2258. Flash Memory: Micron 3D MLC. Release date: Q3 2017.

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Controller: Silicon Motion SM2258. Flash Memory: Micron 3D TLC NAND. Release date: Q3 2016.

Real World Speed
Performance profile from 19,638 user samples
1,885 User Benchmarks
Best Bench: 120% 428GB free
Worst Bench: 78% 345GB free
Poor: 78% Great: 120%
SPEED RANK: 199th / 1018
17,753 User Benchmarks
Best Bench: 110% 97GB free (System drive)
Worst Bench: 50% 18GB free (System drive)
Poor: 50% Great: 110%
SPEED RANK: 414th / 1018
Effective Speed
Effective SSD Speed
102 % Faster effective speed.
+26%
80.9 %
Read
Avg. Sequential Read Speed
482 MB/s +2% 472 MB/s
Write
Avg. Sequential Write Speed
427 MB/s Much faster write speed.
+36%
313 MB/s
4K Read
Avg. 4K Random Read Speed
28.6 MB/s 29.3 MB/s +2%
4K Write
Avg. 4K Random Write Speed
87.4 MB/s Slightly faster random write.
+14%
76.8 MB/s
Mixed
Avg. Sequential Mixed IO Speed
380 MB/s Faster mixed IO speed.
+20%
316 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed
42.1 MB/s Slightly faster random mixed IO.
+10%
38.2 MB/s
SusWrite
Avg. Sustained Write Speed
396 MB/s Hugely faster sustained write speed.
+96%
202 MB/s
Read
Peak Sequential Read Speed
516 MB/s +1% 513 MB/s
Write
Peak Sequential Write Speed
482 MB/s Slightly faster peak write speed.
+9%
444 MB/s
4K Read
Peak 4K Random Read Speed
33.7 MB/s 39.4 MB/s Faster peak random read.
+17%
4K Write
Peak 4K Random Write Speed
128 MB/s Slightly faster peak random write.
+12%
114 MB/s
Mixed
Peak Sequential Mixed IO Speed
430 MB/s 432 MB/s +0%
4K Mixed
Peak 4K Random Mixed IO Speed
52.5 MB/s +0% 52.4 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average
479 MB/s Faster peak sustained write speed.
+19%
403 MB/s
Market Share
Based on 24,126,360 SSDs tested.
Market Share
Market Share (trailing 30 days)
0.01 % 0.1 % Hugely higher market share.
+900%
Value
Value For Money
15.9 % 18 % Slightly better value.
+13%
User Rating
UBM User Rating
53 % 59 % Slightly more popular.
+11%
Price
Price (score)
$150 $25 Hugely cheaper.
+83%
Age
Newest
32 Months More recent.
+26%
43 Months
DQ Read
Peak 4K-64Thread Read Speed
390 MB/s Much faster peak deep queue read.
+47%
265 MB/s
DQ Write
Peak 4K-64Thread Write Speed
365 MB/s +4% 351 MB/s
AS-SSD Total
AS-SSD Total Score
1,269 Pts Stronger server IO.
+20%
1,059 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
310 MB/s Much faster peak deep queue mixed IO.
+31%
236 MB/s
ADQ Read
Avg. 4K-64Thread Read Speed
339 MB/s Hugely faster deep queue read.
+131%
147 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed
287 MB/s Faster deep queue write.
+28%
225 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
257 MB/s Hugely faster deep queue mixed IO.
+90%
135 MB/s
Capacity
Capacity
480GB 128GB
Solid State Drive Rankings (Price vs Performance) April 2020 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 i5-9600K $210Nvidia GTX 1660S (Super) $230Crucial MX500 250GB $49
Intel Core i5-9400F $146Nvidia GTX 1650S (Super) $170Samsung 850 Evo 120GB $78
Intel Core i7-9700K $360Nvidia RTX 2070S (Super) $500Samsung 850 Pro 512GB $249
HDDRAMUSB
Seagate Barracuda 1TB (2016) $37Corsair Vengeance LPX DDR4 3000 C15 2x8GB $74SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $42Corsair Vengeance LPX DDR4 3200 C16 2x8GB $84SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $681SanDisk Ultra Fit 32GB $16
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