AdataASU800SS-512GT-C
OCZARC100-25SAT3-480G

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

Controller: Indilinx Barefoot 3. Flash Memory: Toshiba A19nm MLC. Release date: Q3 2014.

Real World Speed
Performance profile from 33,115 user samples
31,280 User Benchmarks
Best Bench: 127% 407GB free (System drive)
Worst Bench: 71% 309GB free (System drive)
Poor: 71% Great: 127%
SPEED RANK: 240th / 1072
1,835 User Benchmarks
Best Bench: 101% 280GB free
Worst Bench: 62% 48GB free (System drive)
Poor: 62% Great: 101%
SPEED RANK: 389th / 1072
Effective Speed
Effective SSD Speed
104 % Faster effective speed.
+21%
86.1 %
Read
Avg. Sequential Read Speed
476 MB/s Faster read speed.
+29%
369 MB/s
Write
Avg. Sequential Write Speed
415 MB/s Slightly faster write speed.
+7%
389 MB/s
4K Read
Avg. 4K Random Read Speed
33.3 MB/s Much faster random read.
+35%
24.7 MB/s
4K Write
Avg. 4K Random Write Speed
86.6 MB/s +1% 85.8 MB/s
Mixed
Avg. Sequential Mixed IO Speed
385 MB/s Much faster mixed IO speed.
+39%
277 MB/s
4K Mixed
Avg. 4K Random Mixed IO Speed
46.9 MB/s Much faster random mixed IO.
+44%
32.6 MB/s
SusWrite
Avg. Sustained Write Speed
361 MB/s +3% 349 MB/s
Read
Peak Sequential Read Speed
518 MB/s Faster peak read speed.
+25%
413 MB/s
Write
Peak Sequential Write Speed
477 MB/s Slightly faster peak write speed.
+8%
440 MB/s
4K Read
Peak 4K Random Read Speed
43.8 MB/s Much faster peak random read.
+53%
28.6 MB/s
4K Write
Peak 4K Random Write Speed
119 MB/s 123 MB/s +3%
Mixed
Peak Sequential Mixed IO Speed
449 MB/s Much faster peak mixed IO speed.
+43%
315 MB/s
4K Mixed
Peak 4K Random Mixed IO Speed
61 MB/s Much faster peak random mixed IO.
+61%
38 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average
470 MB/s Faster peak sustained write speed.
+14%
412 MB/s
Market Share
Based on 75,669,433 SSDs tested
Market Share
Market Share (trailing 30 days)
0.06 % Insanely higher market share.
+∞%
0 %
Value
Value For Money
26.7 % Better value.
+13%
23.7 %
User Rating
UBM User Rating
53 % +2% 52 %
Price
Price (score)
$82 $70 Cheaper.
+14%
Age
Newest
91 Months More recent.
+22%
116 Months
DQ Read
Peak 4K-64Thread Read Speed
391 MB/s Faster peak deep queue read.
+29%
303 MB/s
DQ Write
Peak 4K-64Thread Write Speed
364 MB/s Faster peak deep queue write.
+11%
329 MB/s
AS-SSD Total
AS-SSD Total Score
1,280 Pts Stronger server IO.
+20%
1071 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed
297 MB/s Faster peak deep queue mixed IO.
+29%
231 MB/s
ADQ Read
Avg. 4K-64Thread Read Speed
333 MB/s Faster deep queue read.
+18%
283 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed
298 MB/s Faster deep queue write.
+17%
255 MB/s
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed
182 MB/s 206 MB/s Faster deep queue mixed IO.
+13%
Capacity
Capacity
512GB 480GB
Solid State Drive Rankings (Price vs Performance) April 2024 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 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 value for money 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
  • - SkillBench (space shooter) tests user input accuracy
  • - 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

 Frequently Asked Questions

 Best User Rated

The Best.
CPUGPUSSD
Intel Core i5-13600K $279Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $182Nvidia RTX 4070 $409Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $30Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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