TEST
YOUR USB

Kingston (ExtHD)

SNA-DC/U 64GB

▲ 500 ▼

Release date ≈ Q2 2015.

Average Bench: 56.5% (18th of 639)

Based on 34 user benchmarks.  Device: VID 11b0 PID 6298 Model: Kingston SNA-DC/U
Poor: 27%Average: 56.5% Great: 76%

Average average bench

The Kingston SNA-DC/U 64GB averaged 43.5% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.

Strengths

Avg. 4K-64Thread Write Speed 18.9MB/s
Avg. 4K Random Write Speed 13.7MB/s

Average consistency

The range of scores (95th - 5th percentile) for the Kingston SNA-DC/U 64GB is 49%. This is a relatively wide range which indicates that the Kingston SNA-DC/U 64GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Read Speed 35.4MB/s
Avg. Sequential Mixed IO Speed 31.7MB/s
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Average Bench

(Based on 34 samples)
Rank 1856.5%
Min Avg Max
25 Read 35.4 42.3
10.2 Write 33 43
17.5 Mixed 31.7 41.6
20.5 SusWrite 34.1 41.5
45.6% 33.6 MB/s
Min Avg Max
2.84 4K Read 8.95 13.6
3.2 4K Write 13.7 19.9
2.46 4K Mixed 6.9 14.2
732% 9.83 MB/s
Min Avg Max
6.51 DQ Read 11.1 14.6
12.1 DQ Write 18.9 22.2
3.68 DQ Mixed 8.68 15.5
980% 12.9 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
28GB free, PID 6298
Operating at USB 2.0 Speed
SusWrite @10s intervals: 39 40 41 42 42 43 MB/s
79.1% Very good
Read 42.3
Write 43
Mixed 41.6
SusWrite 41.2
58% 42 MB/s
4K Read 11.9
4K Write 19.9
4K Mixed 13.1
1,167% 15 MB/s
DQ Read 10.5
DQ Write 20.2
DQ Mixed 11.9
1,131% 14.2 MB/s
31GB free (System drive), PID 6298
Operating at USB 2.0 Speed
SusWrite @10s intervals: 37 36 40 41 42 40 MB/s
74.2% Very good
Read 41.5
Write 40.7
Mixed 39.8
SusWrite 39.2
55% 40.3 MB/s
4K Read 12
4K Write 18.5
4K Mixed 9.5
997% 13.3 MB/s
DQ Read 13.2
DQ Write 19.1
DQ Mixed 9.9
1,035% 14.1 MB/s
6GB free, PID 6298
Operating at USB 2.0 Speed
SusWrite @10s intervals: 40 40 40 41 34 37 MB/s
73.3% Very good
Read 40
Write 40.5
Mixed 39.2
SusWrite 38.6
54% 39.6 MB/s
4K Read 18.6
4K Write 17.8
4K Mixed 10
1,014% 15.5 MB/s
DQ Read 15.6
DQ Write 23.6
DQ Mixed 10.3
1,211% 16.5 MB/s
25GB free, PID 6298
Operating at USB 2.0 Speed
SusWrite @10s intervals: 31 42 33 42 31 42 MB/s
72% Very good
Read 36.3
Write 34
Mixed 34.6
SusWrite 36.7
48% 35.4 MB/s
4K Read 11.9
4K Write 18.2
4K Mixed 11.9
1,068% 14 MB/s
DQ Read 12.9
DQ Write 17.4
DQ Mixed 14.3
1,126% 14.9 MB/s
54GB free, PID 6298
Operating at USB 2.0 Speed
SusWrite @10s intervals: 25 26 26 27 22 37 MB/s
69.7% Good
Read 35.8
Write 38.6
Mixed 36.3
SusWrite 27.2
47% 34.5 MB/s
4K Read 12.4
4K Write 18.1
4K Mixed 14.2
1,145% 14.9 MB/s
DQ Read 12.9
DQ Write 18
DQ Mixed 14.2
1,143% 15 MB/s
54GB free, PID 6298
Operating at USB 2.0 Speed
SusWrite @10s intervals: 38 37 33 38 37 34 MB/s
67.1% Good
Read 31.3
Write 34.6
Mixed 31.9
SusWrite 36.2
46% 33.5 MB/s
4K Read 6.2
4K Write 17.3
4K Mixed 11
986% 11.5 MB/s
DQ Read 8.5
DQ Write 17.4
DQ Mixed 10.9
994% 12.3 MB/s
44GB free, PID 6298
Operating at USB 2.0 Speed
SusWrite @10s intervals: 35 35 36 36 35 34 MB/s
67% Good
Read 36
Write 35.2
Mixed 29.8
SusWrite 35.2
46% 34 MB/s
4K Read 8
4K Write 17
4K Mixed 8.4
894% 11.1 MB/s
DQ Read 7.8
DQ Write 16.4
DQ Mixed 9.4
906% 11.2 MB/s
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