TEST
YOUR USB

KINGSTON (ExtHD)

SA400S37240G 240GB

▲ 500 ▼

Release date ≈ Q3 2017.

Average Bench: 119% (3rd of 639)

Based on 28 user benchmarks.  Device: VID 174c PID 55aa Model: KINGSTON SA400S37240G
Poor: 26%Average: 119% Great: 240%

Outstanding average bench

The KINGSTON SA400S37240G 240GB averaged 18.9% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the KINGSTON SA400S37240G 240GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Write Speed 30.1MB/s
Avg. 4K Random Write Speed 21MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the KINGSTON SA400S37240G 240GB is 214%. This is a particularly wide range which indicates that the KINGSTON SA400S37240G 240GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Read Speed 174MB/s
Avg. 4K Random Read Speed 14.5MB/s
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Average Bench

(Based on 28 samples)
Rank 3119%
Min Avg Max
5.7 Read 174 356
5.7 Write 145 354
5.7 Mixed 131 304
5.8 SusWrite 121 373
189% 143 MB/s
Min Avg Max
0.1 4K Read 14.5 32
0.1 4K Write 21 80.9
0.1 4K Mixed 11.1 28.4
1,143% 15.5 MB/s
Min Avg Max
7 DQ Read 18 30.4
5.4 DQ Write 30.1 87.1
1.2 DQ Mixed 16.1 28.9
1,637% 21.4 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
199GB free, PID 55aa
Operating at USB 3.0 Speed
SusWrite @10s intervals: 376 373 368 373 376 373 MB/s
210% Outstanding
Read 308
Write 354
Mixed 294
SusWrite 373
462% 332 MB/s
4K Read 19.5
4K Write 25.7
4K Mixed 20.3
1,637% 21.8 MB/s
DQ Read 20.9
DQ Write 27
DQ Mixed 21.6
1,731% 23.2 MB/s
127GB free, PID 55aa
SusWrite @10s intervals: 134 221 221 217 226 243 MB/s
187% Outstanding
Read 233
Write 204
Mixed 209
SusWrite 210
289% 214 MB/s
4K Read 20.9
4K Write 33.3
4K Mixed 15.8
1,748% 23.3 MB/s
DQ Read 20.1
DQ Write 40.1
DQ Mixed 18.3
2,061% 26.2 MB/s
37GB free, PID 55aa
Operating at USB 3.0 Speed
SusWrite @10s intervals: 184 173 187 198 196 196 MB/s
160% Outstanding
Read 279
Write 151
Mixed 207
SusWrite 189
266% 206 MB/s
4K Read 19.3
4K Write 24.1
4K Mixed 20.4
1,585% 21.3 MB/s
DQ Read 21.4
DQ Write 37.3
DQ Mixed 25.1
2,202% 27.9 MB/s
145GB free, PID 55aa
Operating at USB 3.0 Speed
SusWrite @10s intervals: 115 118 157 109 60 72 MB/s
138% Outstanding
Read 243
Write 214
Mixed 216
SusWrite 105
256% 195 MB/s
4K Read 18.4
4K Write 24.5
4K Mixed 13.7
1,368% 18.9 MB/s
DQ Read 19.5
DQ Write 12.7
DQ Mixed 1.2
545% 11.1 MB/s
134GB free, PID 55aa
Operating at USB 2.0 Speed
SusWrite @10s intervals: 31 31 31 30 31 31 MB/s
46.1% Average
Read 33.5
Write 28.7
Mixed 31
SusWrite 30.9
42% 31 MB/s
4K Read 8
4K Write 10.6
4K Mixed 9.2
703% 9.27 MB/s
DQ Read 10.7
DQ Write 14.8
DQ Mixed 12
951% 12.5 MB/s
142GB free (System drive), PID 55aa
Operating at USB 2.0 Speed
SusWrite @10s intervals: 26 29 25 25 29 21 MB/s
41.6% Average
Read 31.7
Write 27.2
Mixed 26.6
SusWrite 26
37% 27.9 MB/s
4K Read 6.4
4K Write 9.7
4K Mixed 7.1
595% 7.73 MB/s
DQ Read 7
DQ Write 10.2
DQ Mixed 8.3
655% 8.5 MB/s
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