Average Bench: 56.5% (17th of 639)

Based on 191 user benchmarks.  Device: VID 11b0 PID 6298 Model: Kingston SNA-DC/U
Poor: 21%Average: 56.5% Great: 78%

Average average bench

The Kingston SNA-DC/U 240GB 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 19.1MB/s
Avg. 4K Random Write Speed 13.6MB/s

Below average consistency

The range of scores (95th - 5th percentile) for the Kingston SNA-DC/U 240GB is 57.1%. This is a relatively wide range which indicates that the Kingston SNA-DC/U 240GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Read Speed 35.5MB/s
Avg. Sustained Write Speed 32.8MB/s
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Average Bench

(Based on 191 samples)
Min Avg Max
24.4 Read 35.5 41.4
20.9 Write 33.5 42
20.2 Mixed 33.1 41.3
8.2 SusWrite 32.8 42.2
45.8% 33.7 MB/s
Min Avg Max
2.37 4K Read 9.84 14
2.2 4K Write 13.6 19.8
0.86 4K Mixed 8.97 15.4
804% 10.8 MB/s
Min Avg Max
9.29 DQ Read 13 15.1
12.6 DQ Write 19.1 23.6
6.21 DQ Mixed 11.8 17
1,101% 14.7 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
176GB free, PID 6298
Operating at USB 2.0 Speed
SusWrite @10s intervals: 43 43 43 43 43 43 MB/s
Read 41.3
Write 42.7
Mixed 41.5
SusWrite 42.8
58% 42.1 MB/s
4K Read 13.9
4K Write 19.3
4K Mixed 15.9
1,249% 16.4 MB/s
DQ Read 14.7
DQ Write 22
DQ Mixed 17
1,381% 17.9 MB/s
166GB free, PID 6298
Operating at USB 2.0 Speed
SusWrite @10s intervals: 35 37 39 39 40 40 MB/s
Read 39.7
Write 39.5
Mixed 34.3
SusWrite 38.4
52% 38 MB/s
4K Read 13.5
4K Write 16.7
4K Mixed 15.2
1,135% 15.1 MB/s
DQ Read 14.7
DQ Write 16.7
DQ Mixed 15.3
1,143% 15.6 MB/s
116GB free, PID 6298
Operating at USB 2.0 Speed
SusWrite @10s intervals: 38 38 36 38 39 38 MB/s
Read 37.7
Write 36.8
Mixed 37
SusWrite 37.8
51% 37.3 MB/s
4K Read 13
4K Write 14.7
4K Mixed 13.4
1,004% 13.7 MB/s
DQ Read 14.2
DQ Write 20.4
DQ Mixed 11
1,121% 15.2 MB/s
93GB free, PID 6298
Operating at USB 2.0 Speed
SusWrite @10s intervals: 40 28 39 39 39 39 MB/s
Read 40.5
Write 38.5
Mixed 36.2
SusWrite 37.3
52% 38.1 MB/s
4K Read 9.3
4K Write 11.1
4K Mixed 10.2
759% 10.2 MB/s
DQ Read 13.4
DQ Write 14.3
DQ Mixed 13.8
1,006% 13.8 MB/s
78GB free (System drive), PID 6298
Operating at USB 2.0 Speed
SusWrite @10s intervals: 17 22 23 24 24 13 MB/s
Read 22.3
Write 19.3
Mixed 19.4
SusWrite 20.6
28% 20.4 MB/s
4K Read 4.6
4K Write 6.7
4K Mixed 6.2
456% 5.83 MB/s
69GB free, PID 6298
Operating at USB 2.0 Speed
SusWrite @10s intervals: 27 26 26 26 26 26 MB/s
Read 32.9
Write 22.9
Mixed 25.9
SusWrite 26.1
36% 27 MB/s
4K Read 6.1
4K Write 4.9
4K Mixed 5.5
376% 5.5 MB/s
57GB free, PID 6298
Operating at USB 2.0 Speed
SusWrite @10s intervals: 28 27 27 28 28 27 MB/s
Read 29.2
Write 26.7
Mixed 22.8
SusWrite 27.5
36% 26.5 MB/s
4K Read 3.7
4K Write 3.3
4K Mixed 4.8
289% 3.93 MB/s
191 MORE »
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We highlight the best USB flash drive in terms of balanced performance and value for money using current prices, sequential read, sequential write , 4k read and 4k write speed. The speeds are combined to form a single effective speed which measures performance for tasks such as copying photos, music and videos. Effective speed is adjusted by current price and capacity to yield value for money. Finally thousands of individual user ratings are used to validate our benchmark figures. [USBFlashPro]

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