TEST
YOUR USB

ADATA (ExtHD)

SU 800 128GB

▲ 500 ▼

Release date ≈ Q1 2018.

Average Bench: 167% (1st of 639)

Based on 5 user benchmarks.  Device: VID 174c PID 55aa Model: ADATA SU 800
Poor: 54%Average: 167% Great: 222%

Outstanding average bench

The ADATA SU 800 128GB averaged 67.1% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the ADATA SU 800 128GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Write Speed 41.5MB/s
Avg. 4K Random Write Speed 28.9MB/s

Unknown consistency

There are too few samples to reasonably determine how consistently this USB perfroms. This result should be interpreted with caution.

Weaknesses

Avg. Sequential Read Speed 217MB/s
Avg. 4K Random Read Speed 21.7MB/s
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Average Bench

(Based on 5 samples)
Rank 1167%
Min Avg Max
32.7 Read 217 385
32.2 Write 201 374
33.3 Mixed 206 381
158 SusWrite 183 196
273% 202 MB/s
Min Avg Max
9.94 4K Read 21.7 26
12.9 4K Write 28.9 44.8
8.2 4K Mixed 21.5 30.5
1,796% 24.1 MB/s
Min Avg Max
11.6 DQ Read 23.2 27.2
15 DQ Write 41.5 65.8
7.7 DQ Mixed 23.6 38.3
2,302% 29.5 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
95GB free, PID 55aa
Operating at USB 3.0 Speed
222% Outstanding
Read 385
Write 374
Mixed 381
490% 380 MB/s
4K Read 22.9
4K Write 25.7
4K Mixed 14
1,433% 20.8 MB/s
DQ Read 24.5
DQ Write 37.9
DQ Mixed 11.4
1,768% 24.6 MB/s
92GB free, PID 55aa
Operating at USB 3.0 Speed
SusWrite @10s intervals: 191 200 197 198 196 197 MB/s
217% Outstanding
Read 208
Write 192
Mixed 191
SusWrite 196
268% 197 MB/s
4K Read 26
4K Write 44.8
4K Mixed 30.5
2,658% 33.8 MB/s
DQ Read 27.2
DQ Write 65.8
DQ Mixed 38.3
3,642% 43.8 MB/s
36GB free, PID 55aa
Operating at USB 3.0 Speed
SusWrite @10s intervals: 140 162 161 161 162 162 MB/s
179% Outstanding
Read 204
Write 166
Mixed 178
SusWrite 158
236% 177 MB/s
4K Read 25.6
4K Write 35.5
4K Mixed 29.9
2,319% 30.3 MB/s
DQ Read 26.8
DQ Write 54.2
DQ Mixed 31.7
3,021% 37.6 MB/s
26GB free, PID 55aa
Operating at USB 3.0 Speed
SusWrite @10s intervals: 151 199 237 241 239 93 MB/s
164% Outstanding
Read 256
Write 241
Mixed 245
SusWrite 193
316% 234 MB/s
4K Read 24.2
4K Write 25.8
4K Mixed 25
1,818% 25 MB/s
DQ Read 26
DQ Write 34.8
DQ Mixed 28.9
2,263% 29.9 MB/s
119GB free, PID 55aa
Operating at USB 2.1 Speed
53.8% Above average
Read 32.7
Write 32.2
Mixed 33.3
42% 32.8 MB/s
4K Read 9.94
4K Write 12.9
4K Mixed 8.2
755% 10.3 MB/s
DQ Read 11.6
DQ Write 15
DQ Mixed 7.7
815% 11.4 MB/s
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Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
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  • Fastest real world speed - Real World Speed measures performance for typical consumers.

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