Average Bench: 66.2% (469th of 921)

Based on 5,340 user benchmarks.  Model: ADATA SU800

Above average average bench

The Adata Ultimate SU800 128GB averaged 33.8% 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 Random Read Speed 26.1MB/s
Avg. Sequential Read Speed 492MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Adata Ultimate SU800 128GB is 34.1%. This is a relatively narrow range which indicates that the Adata Ultimate SU800 128GB performs reasonably consistently under varying real world conditions.


Avg. 4K-64Thread Read Speed 77.9MB/s
Avg. 4K-64Thread Mixed IO Speed 23.2MB/s

Average Bench

(Based on 5,340 samples)
Min Avg Max
373 Read 492 515
62.2 Write 251 323
96.9 Mixed 282 345
75.2% 342 MB/s
Min Avg Max
18.5 4K Read 26.1 32.1
17 4K Write 53.1 76.2
8.59 4K Mixed 17.5 26.3
90% 32.2 MB/s
Min Avg Max
22.6 DQ Read 77.9 129
30.4 DQ Write 126 228
10.4 DQ Mixed 23.2 37
39.8% 75.7 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
57GB free
Firmware: P1021A Max speed: SATA 3.0 600 MB/s
Read 439
Write 208
Mixed 232
64% 293 MB/s
4K Read 31.5
4K Write 56.2
4K Mixed 13.6
95% 33.8 MB/s
DQ Read 35.7
DQ Write 88.4
DQ Mixed 15.2
25% 46.4 MB/s
37GB free
Firmware: P1021A Max speed: SATA 3.0 600 MB/s
Read 411
Write 206
Mixed 209
60% 275 MB/s
4K Read 31.5
4K Write 63.9
4K Mixed 12.7
98% 36 MB/s
DQ Read 32.6
DQ Write 79.6
DQ Mixed 14.2
23% 42.1 MB/s
61GB free
Firmware: Q0518BS Max speed: SATA 3.0 600 MB/s
Read 493
Write 289
Mixed 324
81% 369 MB/s
4K Read 17.1
4K Write 29.5
4K Mixed 10.4
55% 19 MB/s
DQ Read 22.7
DQ Write 35
DQ Mixed 10.8
13% 22.8 MB/s
22GB free
Firmware: P0801C Max speed: SATA 3.0 600 MB/s
Read 504
Write 42.9
Mixed 220
55% 256 MB/s
4K Read 30.8
4K Write 65
4K Mixed 10.7
95% 35.5 MB/s
DQ Read 130
DQ Write 103
DQ Mixed 37.9
50% 90 MB/s
5,340 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 6,460,241 SSDs tested.


Approx. $50 @ launch in Sep '16
AmazonUS $4021 mins
OutletPCUS $535 hrs
BHPhotoUS $601 month
NeweggUS $782 month
Send price feedback
Typical Ultimate SU800 128GB Builds (Compare 1,802 builds) See popular component choices, score breakdowns and rankings.
Gaming 65%
Desktop 73%
Workstation 56%

Motherboard: Asus PRIME H270-PLUS - $109

EDIT WITH CUSTOM PC BUILDER Value: 87% - Excellent Total price: $679

Popular Ultimate SU800 128GB 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 (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.
Solid State Drive Rankings (Price vs Performance) April 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]


Group Test Results

  • Best user rated - Sometimes benchmarks get it completely wrong...
  • Fastest real world speed - Real World Speed measures performance for typical consumers.
  • Best value for money - Value for money is based on real world performance, price and capacity.
  • Raw speed comparison - Raw speed readings.
  • Details ordered by value - Detailed performance stats ordered by overall value for money.


Controller: Silicon Motion SM2258. Flash Memory: Micron 3D TLC NAND

Intelligent SLC caching and DRAM cache buffer...

Added 14 months ago.


1 month ago.

Great for the price (when on sale like BlackFriday or CyberMonday)

921 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 i7-8700K $330Nvidia GTX 1070 $447Samsung 850 Evo 250GB $90
Intel Core i7-7700K $290Nvidia GTX 1060-6GB $300Samsung 850 Evo 500GB $136
AMD Ryzen 5 1600 $176AMD RX 480 $350Samsung 850 Pro 256GB $163
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $183SanDisk Extreme 64GB $70
Seagate Barracuda 3TB (2016) $75G.SKILL Trident Z DDR4 3200 C14 4x16GB $957SanDisk Extreme 32GB $46
Seagate Barracuda 2TB (2016) $60Corsair Vengeance LPX DDR4 3200 C16 2x8GB $193SanDisk Ultra Fit 32GB $12
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