Average Bench: 89.7% (322nd of 1058)

Based on 36,208 user benchmarks.  Models: ADATA SU800, ADAT SU800

Very good average bench

The Adata Ultimate SU800 256GB averaged just 10.3% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Adata Ultimate SU800 256GB near the top of the comparison list.


Avg. 4K-64Thread Mixed IO Speed 177MB/s
Avg. 4K Random Mixed IO Speed 40.8MB/s

Below average consistency

The range of scores (95th - 5th percentile) for the Adata Ultimate SU800 256GB is 58.7%. This is a relatively wide range which indicates that the Adata Ultimate SU800 256GB performs inconsistently under varying real world conditions.


Avg. Sustained Write Speed 256MB/s
Avg. Sequential Mixed IO Speed 352MB/s

Average Bench

(Based on 36,208 samples)
Min Avg Max
373 Read 473 516
169 Write 363 471
165 Mixed 352 444
79.8 SusWrite 256 458
80.8% 361 MB/s
Min Avg Max
18.6 4K Read 29.7 40.4
30.9 4K Write 80.7 116
22.9 4K Mixed 40.8 56.7
140% 50.4 MB/s
Min Avg Max
102 DQ Read 262 384
48.5 DQ Write 258 359
46 DQ Mixed 177 280
156% 232 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
160GB free (System drive)
Firmware: R0427ANR
SusWrite @10s intervals: 422 444 450 455 450 458 MB/s
Read 490
Write 448
Mixed 442
SusWrite 446
103% 457 MB/s
4K Read 32.5
4K Write 81.4
4K Mixed 47.6
153% 53.8 MB/s
DQ Read 381
DQ Write 361
DQ Mixed 285
238% 342 MB/s
120GB free (System drive)
Firmware: P1021A
SusWrite @10s intervals: 27 290 51 51 68 81 MB/s
Read 446
Write 73
Mixed 22.9
SusWrite 94.6
34% 159 MB/s
4K Read 22.7
4K Write 10
4K Mixed 25.9
73% 19.5 MB/s
DQ Read 252
DQ Write 230
DQ Mixed 175
150% 219 MB/s
36,208 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 49,561,048 SSDs tested.


MSRP ≈ $90 @ launch in Sep '16
AmazonUS $358 mins
EbayUS $3915 mins
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Typical Ultimate SU800 256GB Builds (Compare 46,960 builds) See popular component choices, score breakdowns and rankings.
Gaming 50%
Desktop 86%
Aircraft carrier
Workstation 49%

Motherboard: Asus PRIME B450M-A - $78

EDIT WITH CUSTOM PC BUILDER Value: 68% - Good Total price: $737

Popular Ultimate SU800 256GB 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) December 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.


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

Intelligent SLC caching and DRAM cache buffer...

Added 4 years ago.

Excellent (edit your comment) Add link

2 months ago.

Have one in my laptop speeds are very close to advertised (96%) for such a low price


24 months ago.

Is a very good product, i bouth one and this SSD got better my pc


1 month ago.

Having mine for around 4 years


15 months ago.

Sleeper SSD


3 years ago.

Really good SSD for the money

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

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Intel Core i5-11400F $196Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $200
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Seagate Barracuda 2TB (2016) $71G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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