TEST
YOUR USB

KINGSTON (ExtHD)

SUV400S 240GB

▲ 500 ▼

Release date ≈ Q1 2018.

Average Bench: 138% (3rd of 639)

Based on 9 user benchmarks.  Device: VID 2537 PID 1068 Model: KINGSTON SUV400S
Poor: 62%Average: 138% Great: 229%

Outstanding average bench

The KINGSTON SUV400S 240GB averaged 38.1% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the KINGSTON SUV400S 240GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Write Speed 34.3MB/s
Avg. 4K Random Write Speed 28.8MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the KINGSTON SUV400S 240GB is 167%. This is a particularly wide range which indicates that the KINGSTON SUV400S 240GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Read Speed 170MB/s
Avg. Sustained Write Speed 87.6MB/s
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Average Bench

(Based on 9 samples)
Rank 3138%
Min Avg Max
36.4 Read 170 309
28.7 Write 176 311
8.3 Mixed 92.3 229
39.8 SusWrite 87.6 132
171% 131 MB/s
Min Avg Max
11.9 4K Read 16.6 22.3
14.4 4K Write 28.8 51.9
1.5 4K Mixed 9.17 20
1,352% 18.2 MB/s
Min Avg Max
12.9 DQ Read 18.8 25.3
16.7 DQ Write 34.3 59.4
2.1 DQ Mixed 15.4 24.5
1,760% 22.8 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
170GB free, PID 1068
Operating at USB 3.0 Speed
SusWrite @10s intervals: 262 150 104 93 90 89 MB/s
229% Outstanding
Read 289
Write 299
Mixed 128
SusWrite 131
272% 212 MB/s
4K Read 22.3
4K Write 50
4K Mixed 11.2
2,164% 27.8 MB/s
DQ Read 25.3
DQ Write 54.8
DQ Mixed 19
2,604% 33 MB/s
140GB free, PID 1068
Operating at USB 3.0 Speed
SusWrite @10s intervals: 231 112 109 45 114 87 MB/s
226% Outstanding
Read 255
Write 306
Mixed 70.6
SusWrite 116
240% 187 MB/s
4K Read 19.7
4K Write 51.9
4K Mixed 9.9
2,175% 27.2 MB/s
DQ Read 25.2
DQ Write 59.4
DQ Mixed 24.5
2,947% 36.4 MB/s
102GB free, PID 1068
Operating at USB 3.0 Speed
SusWrite @10s intervals: 255 116 108 93 91 15 MB/s
216% Outstanding
Read 293
Write 311
Mixed 129
SusWrite 113
271% 211 MB/s
4K Read 19.9
4K Write 47.1
4K Mixed 20
2,356% 29 MB/s
DQ Read 25.3
DQ Write 56.7
DQ Mixed 20.7
2,726% 34.2 MB/s
216GB free, PID 1068
Operating at USB 3.0 Speed
SusWrite @10s intervals: 231 147 112 88 116 97 MB/s
141% Outstanding
Read 309
Write 289
Mixed 157
SusWrite 132
283% 222 MB/s
4K Read 16.2
4K Write 20.8
4K Mixed 9.5
1,091% 15.5 MB/s
DQ Read 19.8
DQ Write 26.7
DQ Mixed 22.9
1,760% 23.1 MB/s
24GB free, PID 1068
Operating at USB 2.1 Speed
SusWrite @10s intervals: 40 40 40 40 40 40 MB/s
62.5% Good
Read 36.9
Write 39.9
Mixed 37.8
SusWrite 39.8
53% 38.6 MB/s
4K Read 18.1
4K Write 14.4
4K Mixed 2
625% 11.5 MB/s
DQ Read 15.6
DQ Write 19.3
DQ Mixed 16.3
1,269% 17.1 MB/s
26GB free, PID 1068
Operating at USB 2.1 Speed
SusWrite @10s intervals: 32 37 40 41 42 42 MB/s
12.2% Very poor
Read 20.5
Write 23.4
Mixed 23.7
SusWrite 38.9
38% 26.6 MB/s
4K Read 0.7
4K Write 0.2
4K Mixed 2.4
91% 1.1 MB/s
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