TEST
YOUR USB

ADATA (ExtHD)

SD600Q 240GB

▲ 500 ▼

Release date ≈ Q3 2019.

Average Bench: 93% (5th of 639)

Based on 28 user benchmarks.  Device: VID 125f PID a88a Model: ADATA SD600Q
Poor: 8%Average: 93% Great: 204%

Excellent average bench

The ADATA SD600Q 240GB averaged just 6.9% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the ADATA SD600Q 240GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Write Speed 27.9MB/s
Avg. 4K-64Thread Mixed IO Speed 17.9MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the ADATA SD600Q 240GB is 196%. This is a particularly wide range which indicates that the ADATA SD600Q 240GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Read Speed 203MB/s
Avg. 4K Random Read Speed 14.9MB/s
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Average Bench

(Based on 28 samples)
Rank 593%
Min Avg Max
12.3 Read 203 316
1.3 Write 142 299
2.8 Mixed 120 291
11.5 SusWrite 111 300
184% 144 MB/s
Min Avg Max
1.1 4K Read 14.9 22.7
0.1 4K Write 11.7 41.9
0.2 4K Mixed 7.4 28.7
704% 11.3 MB/s
Min Avg Max
13.5 DQ Read 18.3 24.2
18.2 DQ Write 27.9 48.3
9.4 DQ Mixed 17.9 29.8
1,628% 21.4 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
136GB free, PID a88a
Operating at USB 3.0 Speed
SusWrite @10s intervals: 155 232 243 246 247 255 MB/s
160% Outstanding
Read 259
Write 244
Mixed 236
SusWrite 230
328% 242 MB/s
4K Read 21
4K Write 22
4K Mixed 18.5
1,455% 20.5 MB/s
DQ Read 18.3
DQ Write 33.8
DQ Mixed 21.3
1,942% 24.5 MB/s
12GB free, PID a88a
Operating at USB 3.0 Speed
SusWrite @10s intervals: 135 135 135 139 158 157 MB/s
122% Outstanding
Read 197
Write 118
Mixed 144
SusWrite 143
196% 151 MB/s
4K Read 14.3
4K Write 19.1
4K Mixed 15.7
1,237% 16.4 MB/s
DQ Read 19.2
DQ Write 28.5
DQ Mixed 22
1,789% 23.2 MB/s
126GB free, PID a88a
Operating at USB 3.0 Speed
SusWrite @10s intervals: 209 233 181 17 47 17 MB/s
80.2% Excellent
Read 225
Write 208
Mixed 193
SusWrite 117
246% 186 MB/s
4K Read 14.8
4K Write 6
4K Mixed 0.4
272% 7.07 MB/s
56GB free, PID a88a
Operating at USB 3.0 Speed
SusWrite @10s intervals: 77 284 252 6.1 47 23 MB/s
79.4% Very good
Read 299
Write 274
Mixed 9.5
SusWrite 115
209% 174 MB/s
4K Read 14.3
4K Write 2.5
4K Mixed 0.4
152% 5.73 MB/s
43GB free, PID a88a
Operating at USB 3.0 Speed
SusWrite @10s intervals: 176 6.8 28 2.5 6.2 34 MB/s
40.3% Average
Read 170
Write 162
Mixed 188
SusWrite 42.2
186% 141 MB/s
4K Read 11.4
4K Write 1.2
4K Mixed 0.2
90% 4.27 MB/s
23GB free, PID a88a
Operating at USB 2.1 Speed
SusWrite @10s intervals: 24 25 24 24 23 23 MB/s
35.5% Below average
Read 32.8
Write 26
Mixed 28.7
SusWrite 24
37% 27.9 MB/s
4K Read 7.8
4K Write 7.7
4K Mixed 7.7
553% 7.73 MB/s
28 MORE »
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  • 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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