Average Bench: 80.3% (451st of 1040)

Based on 21,777 user benchmarks.  Model: ADATA SU800

Very good average bench

The Adata Ultimate SU800 128GB averaged just 19.7% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Adata Ultimate SU800 128GB near the top of the comparison list.


Avg. 4K-64Thread Mixed IO Speed 128MB/s
Avg. 4K Random Mixed IO Speed 38.6MB/s

Poor consistency

The range of scores (95th - 5th percentile) for the Adata Ultimate SU800 128GB is 62.2%. This is a particularly wide range which indicates that the Adata Ultimate SU800 128GB performs inconsistently under varying real world conditions.


Avg. Sustained Write Speed 182MB/s
Avg. 4K-64Thread Read Speed 149MB/s

Average Bench

(Based on 21,777 samples)
Min Avg Max
366 Read 473 515
42.2 Write 283 446
58 Mixed 295 431
45.3 SusWrite 182 408
68.6% 308 MB/s
Min Avg Max
20.1 4K Read 29.5 41.1
19.8 4K Write 80.6 117
21.8 4K Mixed 38.6 53.8
137% 49.6 MB/s
Min Avg Max
74.5 DQ Read 149 269
33.4 DQ Write 209 352
38 DQ Mixed 128 236
111% 162 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
80GB free (System drive)
Firmware: Q0518BS
SusWrite @10s intervals: 362 429 426 440 439 185 MB/s
Read 514
Write 419
Mixed 396
SusWrite 380
96% 428 MB/s
4K Read 32.5
4K Write 108
4K Mixed 46.7
166% 62.5 MB/s
DQ Read 127
DQ Write 356
DQ Mixed 158
145% 214 MB/s
40GB free (System drive)
Firmware: R0427AC
SusWrite @10s intervals: 133 136 139 138 139 140 MB/s
Read 340
Write 140
Mixed 190
SusWrite 137
45% 202 MB/s
4K Read 10.2
4K Write 100
4K Mixed 19.8
94% 43.5 MB/s
DQ Read 159
DQ Write 138
DQ Mixed 123
99% 140 MB/s
40GB free (System drive)
Firmware: R0427AC
SusWrite @10s intervals: 72 139 140 139 139 139 MB/s
Read 376
Write 139
Mixed 192
SusWrite 128
46% 209 MB/s
4K Read 10.7
4K Write 99.6
4K Mixed 17.1
91% 42.5 MB/s
DQ Read 155
DQ Write 80.3
DQ Mixed 42.4
52% 92.6 MB/s
21,777 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 38,353,743 SSDs tested.


MSRP ≈ $50 @ launch in Sep '16
OutletPCUS $2521 months
AmazonUS $2528 secs
EbayUS $339 mins
BHPhotoUS $602 years
Send price feedback
Typical Ultimate SU800 128GB Builds (Compare 32,785 builds) See popular component choices, score breakdowns and rankings.
Gaming 52%
Desktop 87%
Aircraft carrier
Workstation 49%

Motherboard: Asus PRIME B450M-A - $78

EDIT WITH CUSTOM PC BUILDER Value: 74% - Very good Total price: $602

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.

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  • - CPU tests include: integer, floating and string.
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  • - RAM tests include: single/multi core bandwidth and latency.
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Solid State Drive Rankings (Price vs Performance) January 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 3 years ago.


2 years ago.

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

1040 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 i5-10600K $257Nvidia RTX 3060-Ti $400Crucial MX500 250GB $47
Intel Core i5-9600K $200Nvidia RTX 3070 $500Samsung 850 Evo 120GB $78
Intel Core i5-10400F $161Nvidia GTX 1660S (Super) $240Samsung 860 Evo 250GB $40
Seagate Barracuda 1TB (2016) $43Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $38Corsair Vengeance LPX DDR4 3000 C15 2x8GB $71SanDisk Extreme 32GB $28
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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