TEST
YOUR USB

ADATA (ExtHD)

SU 800 512GB

▲ 500 ▼

Release date ≈ Q2 2020.

Average Bench: 145% (1st of 639)

Based on 3 user benchmarks.  Device: VID 05e3 PID 0731 Model: ADATA SU 800
Poor: 138%Average: 145% Great: 154%

Outstanding average bench

The ADATA SU 800 512GB averaged 45.1% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the ADATA SU 800 512GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Write Speed 26.1MB/s
Avg. 4K Random Write Speed 24.5MB/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 257MB/s
Avg. Sustained Write Speed 125MB/s
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Average Bench

(Based on 3 samples)
Rank 1145%
Min Avg Max
257 Read 257 257
244 Write 247 249
229 Mixed 242 249
96.7 SusWrite 125 147
289% 218 MB/s
Min Avg Max
22 4K Read 22.3 22.4
23.2 4K Write 24.5 26
22.5 4K Mixed 23.2 23.7
1705% 23.3 MB/s
Min Avg Max
23 DQ Read 23.2 23.4
24.8 DQ Write 26.1 27.4
24 DQ Mixed 24.3 24.5
1,801% 24.5 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
174GB free, PID 0731
Operating at USB 3.0 Speed
SusWrite @10s intervals: 241 247 169 112 49 65 MB/s
154% Outstanding
Read 257
Write 248
Mixed 229
SusWrite 147
294% 221 MB/s
4K Read 22
4K Write 26
4K Mixed 23.7
1,772% 23.9 MB/s
DQ Read 23.1
DQ Write 26.2
DQ Mixed 24.4
1,807% 24.6 MB/s
54GB free, PID 0731
Operating at USB 3.0 Speed
SusWrite @10s intervals: 30 30 126 249 85 61 MB/s
138% Outstanding
Read 257
Write 249
Mixed 249
SusWrite 96.7
281% 213 MB/s
4K Read 22.4
4K Write 24.3
4K Mixed 23.4
1,706% 23.4 MB/s
DQ Read 23
DQ Write 24.8
DQ Mixed 24
1,745% 23.9 MB/s
114GB free, PID 0731
Operating at USB 3.0 Speed
SusWrite @10s intervals: 40 40 214 154 131 72 MB/s
113% Outstanding
Read 248
Write 43
Mixed 72
SusWrite 108
131% 118 MB/s
4K Read 21.9
4K Write 15.6
4K Mixed 18.6
1,244% 18.7 MB/s
DQ Read 23.1
DQ Write 18.5
DQ Mixed 19.2
1,368% 20.3 MB/s
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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.

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