TEST
YOUR USB

DH (ExtHD)

Ext. HDD 128GB

▲ 500 ▼

Release date ≈ Q2 2018.

Average Bench: 77.5% (6th of 639)

Based on 3 user benchmarks.  Device: VID 1f75 PID 0621 Model: DH Ext. HDD
Poor: 21%Average: 77.5% Great: 159%

Good average bench

The DH Ext. HDD 128GB averaged 22.4% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the DH Ext. HDD 128GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Write Speed 25.4MB/s
Avg. 4K-64Thread Mixed IO Speed 14MB/s

Unknown consistency

There are too few samples to reasonably determine how consistently this USB perfroms. This result should be interpreted with caution.

Weaknesses

Avg. Sequential Read Speed 101MB/s
Avg. Sequential Mixed IO Speed 83.9MB/s
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Average Bench

(Based on 3 samples)
Rank 677.5%
Min Avg Max
35.8 Read 101 226
32.3 Write 95.7 214
33 Mixed 83.9 183
35.3 SusWrite 118 201
136% 99.6 MB/s
Min Avg Max
9.57 4K Read 12.9 17.5
1.8 4K Write 12.9 25.4
3.2 4K Mixed 8.84 17.6
788% 11.6 MB/s
Min Avg Max
11.5 DQ Read 15.5 19.4
16.6 DQ Write 25.4 34.2
7.44 DQ Mixed 14 20.6
1,398% 18.3 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
76GB free, PID 0621
Operating at USB 3.0 Speed
SusWrite @10s intervals: 110 218 220 219 220 220 MB/s
159% Outstanding
Read 226
Write 214
Mixed 183
SusWrite 201
278% 206 MB/s
4K Read 17.5
4K Write 25.4
4K Mixed 17.6
1,528% 20.2 MB/s
DQ Read 19.4
DQ Write 34.2
DQ Mixed 20.6
1,936% 24.7 MB/s
119GB free, PID 0621
Operating at USB 2.1 Speed
52.7% Above average
Read 40.6
Write 40.6
Mixed 35.6
50% 39 MB/s
4K Read 9.57
4K Write 11.6
4K Mixed 5.71
625% 8.96 MB/s
DQ Read 11.5
DQ Write 16.6
DQ Mixed 7.44
861% 11.9 MB/s
24GB free, PID 0621
Operating at USB 2.1 Speed
SusWrite @10s intervals: 35 36 33 37 37 35 MB/s
21.2% Poor
Read 35.8
Write 32.3
Mixed 33
SusWrite 35.3
46% 34.1 MB/s
4K Read 11.6
4K Write 1.8
4K Mixed 3.2
213% 5.53 MB/s
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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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Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
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  • Fastest real world speed - Real World Speed measures performance for typical consumers.

 Comments

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