Average Bench: 90.2% (314th of 1058)

Based on 40,519 user benchmarks.  Models: ADATA SU800, ADAT SU800

Excellent average bench

The Adata Ultimate SU800 256GB averaged just 9.7% 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 189MB/s
Avg. 4K Random Mixed IO Speed 40.9MB/s

Below average consistency

The range of scores (95th - 5th percentile) for the Adata Ultimate SU800 256GB is 56.9%. 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 263MB/s
Avg. Sequential Mixed IO Speed 355MB/s

Average Bench

(Based on 40,519 samples)
Min Avg Max
374 Read 469 516
176 Write 369 472
133 Mixed 355 445
79.8 SusWrite 263 460
81.5% 364 MB/s
Min Avg Max
18.9 4K Read 29.5 40.4
30.5 4K Write 80.6 117
21.2 4K Mixed 40.9 56.7
140% 50.3 MB/s
Min Avg Max
136 DQ Read 268 385
49.6 DQ Write 270 360
59.6 DQ Mixed 189 281
164% 242 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
198GB free (System drive)
Firmware: R0918B
SusWrite @10s intervals: 338 202 195 212 218 219 MB/s
Read 489
Write 421
Mixed 391
SusWrite 231
86% 383 MB/s
4K Read 40.1
4K Write 106
4K Mixed 56.2
189% 67.5 MB/s
DQ Read 369
DQ Write 334
DQ Mixed 116
151% 273 MB/s
54GB free (System drive)
Firmware: R0918B
SusWrite @10s intervals: 272 92 94 98 86 95 MB/s
Read 440
Write 424
Mixed 368
SusWrite 123
76% 339 MB/s
4K Read 33.6
4K Write 95.6
4K Mixed 50
166% 59.7 MB/s
DQ Read 355
DQ Write 327
DQ Mixed 116
149% 266 MB/s
67GB free (System drive)
Firmware: R0427AC
SusWrite @10s intervals: 142 239 244 237 242 243 MB/s
Read 474
Write 236
Mixed 272
SusWrite 224
67% 302 MB/s
4K Read 22.9
4K Write 72.8
4K Mixed 30.2
112% 42 MB/s
DQ Read 140
DQ Write 129
DQ Mixed 59.8
65% 110 MB/s
40,519 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 56,072,278 SSDs tested.


MSRP ≈ $90 @ launch in Sep '16
AmazonUS $3521 mins
EbayUS $395 mins
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Typical Ultimate SU800 256GB Builds (Compare 53,855 builds) See popular component choices, score breakdowns and rankings.
Gaming 51%
Desktop 85%
Aircraft carrier
Workstation 49%

Motherboard: Asus PRIME B450M-A - $78

EDIT WITH CUSTOM PC BUILDER Value: 74% - Very good Total price: $581

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) June 2022 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 5 years ago.

Excellent (edit your comment) Add link

4 months ago.

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


2 years ago.

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


8 months ago.

Having mine for around 4 years


21 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

 Best User Rated

The Best.
Intel Core i5-12600K $280Nvidia RTX 3060-Ti $400Crucial MX500 250GB $45
Intel Core i5-12400F $170Nvidia RTX 3070 $500Samsung 850 Evo 120GB $111
Intel Core i7-12700K $380Nvidia RTX 3050 $250Samsung 860 Evo 250GB $52
Seagate Barracuda 1TB (2016) $33Corsair Vengeance LPX DDR4 3200 C16 2x8GB $69SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $32Corsair Vengeance LPX DDR4 3000 C15 2x8GB $68SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $71G.SKILL Trident Z DDR4 3200 C14 4x16GB $470SanDisk Ultra Fit 32GB $16
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