TEST
YOUR USB

WDC (ExtHD)

WDS1 20G2G0A-00JH30 120GB

▲ 500 ▼

Release date ≈ Q4 2018.

Average Bench: 70.4% (7th of 639)

Based on 16 user benchmarks.  Device: VID 1f75 PID 0621 Model: WDC WDS1 20G2G0A-00JH30
Poor: 40%Average: 70.4% Great: 109%

Good average bench

The WDC WDS1 20G2G0A-00JH30 120GB averaged 29.5% 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 16.8MB/s
Avg. 4K-64Thread Mixed IO Speed 14.2MB/s

Poor consistency

The range of scores (95th - 5th percentile) for the WDC WDS1 20G2G0A-00JH30 120GB is 68.5%. This is a particularly wide range which indicates that the WDC WDS1 20G2G0A-00JH30 120GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 61.3MB/s
Avg. Sequential Read Speed 154MB/s
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Average Bench

(Based on 16 samples)
Rank 770.4%
Min Avg Max
29.8 Read 154 249
22.3 Write 112 218
25.8 Mixed 91.7 188
15.1 SusWrite 61.3 101
132% 105 MB/s
Min Avg Max
6.3 4K Read 12.5 15.5
0.9 4K Write 10.3 17.6
5.1 4K Mixed 11.1 15.5
774% 11.3 MB/s
Min Avg Max
11.5 DQ Read 14.6 16.6
3.7 DQ Write 16.8 21.9
9.6 DQ Mixed 14.2 17.2
1,109% 15.2 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
49GB free, PID 0621
Operating at USB 3.0 Speed
SusWrite @10s intervals: 105 100 78 19 64 76 MB/s
89.4% Excellent
Read 109
Write 98.1
Mixed 98
SusWrite 73.8
126% 94.6 MB/s
4K Read 14.7
4K Write 17.6
4K Mixed 15.1
1,167% 15.8 MB/s
DQ Read 15.3
DQ Write 18.1
DQ Mixed 15.6
1,203% 16.3 MB/s
112GB free, PID 0621
Operating at USB 3.0 Speed
SusWrite @10s intervals: 68 55 54 25 37 15 MB/s
78.2% Very good
Read 101
Write 95.6
Mixed 94.1
SusWrite 42.4
110% 83.2 MB/s
4K Read 14
4K Write 16.6
4K Mixed 14.4
1,106% 15 MB/s
DQ Read 15.2
DQ Write 21.4
DQ Mixed 16.7
1,352% 17.8 MB/s
112GB free, PID 0621
Operating at USB 3.0 Speed
SusWrite @10s intervals: 63 10 23 39 18 61 MB/s
64% Good
Read 103
Write 86.6
Mixed 81.8
SusWrite 36
99% 76.8 MB/s
4K Read 13.1
4K Write 12.4
4K Mixed 14.2
953% 13.2 MB/s
DQ Read 15.1
DQ Write 20.6
DQ Mixed 16.5
1,318% 17.4 MB/s
112GB free, PID 0621
Operating at USB 3.0 Speed
SusWrite @10s intervals: 23 23 5.3 14 14 12 MB/s
62.5% Good
Read 225
Write 177
Mixed 84.7
SusWrite 15.1
148% 125 MB/s
4K Read 14.1
4K Write 7.6
4K Mixed 13.1
756% 11.6 MB/s
112GB free, PID 0621
Operating at USB 3.0 Speed
SusWrite @10s intervals: 51 60 9.8 21 5.8 9.9 MB/s
53.3% Above average
Read 104
Write 96.2
Mixed 84.1
SusWrite 26.2
100% 77.6 MB/s
4K Read 14.3
4K Write 9.5
4K Mixed 14.4
866% 12.7 MB/s
DQ Read 15.1
DQ Write 20.3
DQ Mixed 13.6
1,209% 16.3 MB/s
86GB free, PID 0621
Operating at USB 2.1 Speed
SusWrite @10s intervals: 37 39 39 39 38 38 MB/s
41.5% Average
Read 34.2
Write 29.5
Mixed 30.8
SusWrite 38.4
45% 33.2 MB/s
4K Read 8.6
4K Write 8.5
4K Mixed 5.5
508% 7.53 MB/s
DQ Read 11.5
DQ Write 10
DQ Mixed 11.7
781% 11.1 MB/s
16 MORE »
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