TEST
YOUR USB

Kingston (ExtHD)

SNA-DC/U 750GB

▲ 500 ▼

Release date ≈ Q2 2014.

Average Bench: 17% (273rd of 639)

Based on 239 user benchmarks.  Device: VID 11b0 PID 6298 Model: Kingston SNA-DC/U
Poor: 11%Average: 17% Great: 21%

Terrible average bench

The Kingston SNA-DC/U 750GB averaged 83.0% 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 18.8MB/s
Avg. 4K-64Thread Mixed IO Speed 10.2MB/s

Excellent consistency

The range of scores (95th - 5th percentile) for the Kingston SNA-DC/U 750GB is just 9.97%. This is an extremely narrow range which indicates that the Kingston SNA-DC/U 750GB performs superbly consistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 0.6MB/s
Avg. Sequential Read Speed 34.8MB/s
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Average Bench

(Based on 239 samples)
Rank 27317%
Min Avg Max
26.3 Read 34.8 40.5
20 Write 31.4 40.5
8.87 Mixed 24.5 38.4
18 SusWrite 33.5 41.6
41.8% 31.1 MB/s
Min Avg Max
0.27 4K Read 0.6 0.7
0.36 4K Write 1.53 2.2
0.14 4K Mixed 0.57 0.9
73.5% 0.9 MB/s
Min Avg Max
0 DQ Read 10.1 15.7
14.9 DQ Write 18.8 20.9
0.4 DQ Mixed 10.2 15.4
1,024% 13 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
283GB free, PID 6298
Operating at USB 2.0 Speed
SusWrite @10s intervals: 40 39 39 40 39 39 MB/s
18.8% Very poor
Read 54.5
Write 34.3
Mixed 30.7
SusWrite 39.3
51% 39.7 MB/s
4K Read 0.8
4K Write 0.7
4K Mixed 0.5
44% 0.67 MB/s
688GB free, PID 6298
Operating at USB 2.0 Speed
SusWrite @10s intervals: 34 34 34 34 34 34 MB/s
17% Very poor
Read 51.5
Write 32.3
Mixed 27.6
SusWrite 34.3
46% 36.4 MB/s
4K Read 0.9
4K Write 0.6
4K Mixed 0.6
44% 0.7 MB/s
651GB free, PID 6298
Operating at USB 2.0 Speed
SusWrite @10s intervals: 26 26 27 26 27 26 MB/s
15.7% Very poor
Read 60.3
Write 23.4
Mixed 26.7
SusWrite 26.3
41% 34.2 MB/s
4K Read 1.1
4K Write 0.3
4K Mixed 0.6
35% 0.67 MB/s
617GB free, PID 6298
Operating at USB 2.0 Speed
SusWrite @10s intervals: 20 21 21 21 21 21 MB/s
15.4% Very poor
Read 54.4
Write 32.3
Mixed 27.7
SusWrite 20.8
42% 33.8 MB/s
4K Read 0.8
4K Write 0.9
4K Mixed 0.7
57% 0.8 MB/s
408GB free, PID 6298
Operating at USB 2.0 Speed
SusWrite @10s intervals: 9.6 9.9 10 10 12 10 MB/s
10.5% Very poor
Read 50.7
Write 31.6
Mixed 17.5
SusWrite 10.3
32% 27.5 MB/s
4K Read 1.3
4K Write 0.2
4K Mixed 0.4
25% 0.63 MB/s
239 MORE »
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  • Fastest real world speed - Real World Speed measures performance for typical consumers.

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