Average Bench: 94.3% (213th of 1000)

Based on 11,945 user benchmarks.  Models: ADATA SU800, ADAT SU800

Excellent average bench

The Adata Ultimate SU800 256GB averaged just 5.6% 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 204MB/s
Avg. 4K Random Mixed IO Speed 42.1MB/s

Poor consistency

The range of scores (95th - 5th percentile) for the Adata Ultimate SU800 256GB is 66%. This is a particularly wide range which indicates that the Adata Ultimate SU800 256GB performs inconsistently under varying real world conditions.


Avg. Sustained Write Speed 310MB/s
Avg. Sequential Mixed IO Speed 368MB/s

Average Bench

(Based on 11,945 samples)
Min Avg Max
355 Read 470 515
101 Write 390 471
87.7 Mixed 368 445
75 SusWrite 310 462
86.2% 384 MB/s
Min Avg Max
17.3 4K Read 30.3 40
24.9 4K Write 81.3 120
22.3 4K Mixed 42.1 56.5
143% 51.2 MB/s
Min Avg Max
52.2 DQ Read 265 386
44.4 DQ Write 280 358
45.8 DQ Mixed 204 282
172% 250 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
40GB free (System drive)
Firmware: Q0125A
SusWrite @10s intervals: 452 446 418 120 155 60 MB/s
Read 508
Write 468
Mixed 422
SusWrite 275
94% 418 MB/s
4K Read 30.2
4K Write 84.3
4K Mixed 43
146% 52.5 MB/s
DQ Read 249
DQ Write 345
DQ Mixed 255
204% 283 MB/s
110GB free (System drive)
Firmware: R0427AC
SusWrite @10s intervals: 346 392 375 390 392 390 MB/s
Read 460
Write 389
Mixed 389
SusWrite 381
91% 405 MB/s
4K Read 27.5
4K Write 60.9
4K Mixed 35.9
120% 41.4 MB/s
DQ Read 178
DQ Write 164
DQ Mixed 189
137% 177 MB/s
11,945 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 14,374,785 SSDs tested.


Approx. $90 @ launch in Sep '16
AmazonUS $3511 mins
NeweggUS $432 months
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Typical Ultimate SU800 256GB Builds (Compare 27,348 builds) See popular component choices, score breakdowns and rankings.
Gaming 68%
Battle cruiser
Desktop 73%
Workstation 68%
Battle cruiser

Motherboard: Asus PRIME B350-PLUS - $79

EDIT WITH CUSTOM PC BUILDER Value: 123% - Outstanding Total price: $520

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.
  • - 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.
Solid State Drive Rankings (Price vs Performance) May 2019 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 2 years ago.

Good (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


10 months ago.

Really good SSD for the money

1000 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 $356Nvidia GTX 1070 $314Samsung 850 Evo 250GB $92
AMD Ryzen 5 2600 $145Nvidia GTX 1060-6GB $208Samsung 850 Evo 500GB $99
AMD Ryzen 5 1600 $108Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $163
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $90SanDisk Extreme 64GB $128
WD Blue 1TB (2012) $40G.SKILL Trident Z DDR4 3200 C14 4x16GB $651SanDisk Extreme 32GB $48
Seagate Barracuda 3TB (2016) $73Corsair Vengeance LPX DDR4 3200 C16 2x8GB $85SanDisk Ultra Fit 32GB $12
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