Average Bench: 66.8% (698th of 1058)

Based on 579 user benchmarks.  Model: ADATA SSD S511 120GB

Above average average bench

The Adata S511 120GB averaged 33.1% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.


Avg. 4K-64Thread Mixed IO Speed 134MB/s
Avg. 4K Random Read Speed 28.2MB/s

Good consistency

The range of scores (95th - 5th percentile) for the Adata S511 120GB is 28.7%. This is a relatively narrow range which indicates that the Adata S511 120GB performs reasonably consistently under varying real world conditions.


Avg. Sustained Write Speed 118MB/s
Avg. Sequential Write Speed 140MB/s

Average Bench

(Based on 579 samples)
Min Avg Max
304 Read 377 433
107 Write 140 155
152 Mixed 189 205
82.9 SusWrite 118 136
45.4% 206 MB/s
Min Avg Max
20.7 4K Read 28.2 34.9
26.5 4K Write 73.2 111
22.2 4K Mixed 32.6 41.7
123% 44.7 MB/s
Min Avg Max
85.7 DQ Read 167 191
55 DQ Write 134 153
47.4 DQ Mixed 134 162
105% 145 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
83GB free
Firmware: 5.8.2a
SusWrite @10s intervals: 137 135 135 133 134 136 MB/s
Read 401
Write 155
Mixed 196
SusWrite 135
49% 222 MB/s
4K Read 31
4K Write 90.3
4K Mixed 39.4
145% 53.6 MB/s
DQ Read 183
DQ Write 152
DQ Mixed 156
120% 163 MB/s
112GB free
Firmware: 319ABBF0
SusWrite @10s intervals: 94 95 78 78 78 83 MB/s
Read 444
Write 98.2
Mixed 144
SusWrite 84.2
42% 193 MB/s
4K Read 31.4
4K Write 17.6
4K Mixed 23.7
87% 24.2 MB/s
DQ Read 95.6
DQ Write 40.1
DQ Mixed 51.6
42% 62.4 MB/s
579 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 47,247,471 SSDs tested.

Typical S511 120GB Builds (Compare 81,701 builds) See popular component choices, score breakdowns and rankings.
Gaming 91%
Nuclear submarine
Desktop 87%
Aircraft carrier
Workstation 86%
Aircraft carrier

Motherboard: MSI B450 TOMAHAWK MAX (MS-7C02) - $109

EDIT WITH CUSTOM PC BUILDER Value: 74% - Very good Total price: $853

Popular S511 120GB compatible motherboards:

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.
  • - 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.
Solid State Drive Rankings (Price vs Performance) September 2021 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]


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.


1058 Drives (Compared) Thousands of user benchmarks compiled into one comparison list.

See how consistently different SSDs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

 Frequently Asked Questions

 Best User Rated

The Best.
Intel Core i5-11600K $270Nvidia RTX 3060-Ti $400Crucial MX500 250GB $45
Intel Core i5-11400F $260Nvidia RTX 3070 $500Samsung 860 Evo 250GB $52
Intel Core i7-11700K $380Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $183
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $74SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $77SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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