TEST
YOUR USB

ZALMAN (ExtHD)

External HDD 120GB

▲ 500 ▼

Release date ≈ Q4 2014.

Average Bench: 88.3% (5th of 639)

Based on 27 user benchmarks.  Device: VID 04c5 PID 2028 Model: ZALMAN External HDD
Poor: 17%Average: 88.3% Great: 164%

Very good average bench

The ZALMAN External HDD 120GB averaged just 11.6% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the ZALMAN External HDD 120GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Write Speed 30MB/s
Avg. 4K-64Thread Mixed IO Speed 16.8MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the ZALMAN External HDD 120GB is 147%. This is a particularly wide range which indicates that the ZALMAN External HDD 120GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Read Speed 117MB/s
Avg. Sustained Write Speed 76.7MB/s
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Average Bench

(Based on 27 samples)
Rank 588.3%
Min Avg Max
23.8 Read 117 240
22.1 Write 93.4 211
16.4 Mixed 93.3 203
23.2 SusWrite 76.7 214
125% 95.1 MB/s
Min Avg Max
0.23 4K Read 12 23
1 4K Write 16.6 33.1
0.21 4K Mixed 10.4 23.4
964% 13 MB/s
Min Avg Max
12.3 DQ Read 18.6 25.1
16.2 DQ Write 30 57.7
8.21 DQ Mixed 16.8 28.1
1,660% 21.8 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
45GB free, PID 2028
Operating at USB 3.0 Speed
SusWrite @10s intervals: 244 78 108 143 146 146 MB/s
147% Outstanding
Read 213
Write 209
Mixed 203
SusWrite 144
259% 192 MB/s
4K Read 23
4K Write 25.9
4K Mixed 23.4
1,762% 24.1 MB/s
DQ Read 25.1
DQ Write 36.5
DQ Mixed 28.1
2,290% 29.9 MB/s
46GB free, PID 2028
Operating at USB 3.0 Speed
SusWrite @10s intervals: 156 157 154 156 155 156 MB/s
145% Outstanding
Read 240
Write 160
Mixed 145
SusWrite 156
225% 175 MB/s
4K Read 15
4K Write 23.8
4K Mixed 16.8
1,437% 18.5 MB/s
DQ Read 17.3
DQ Write 35.8
DQ Mixed 20.6
1,982% 24.6 MB/s
43GB free, PID 2028
Operating at USB 3.0 Speed
SusWrite @10s intervals: 150 152 152 153 152 152 MB/s
144% Outstanding
Read 240
Write 160
Mixed 146
SusWrite 152
224% 174 MB/s
4K Read 14.8
4K Write 23.7
4K Mixed 16.6
1,426% 18.4 MB/s
DQ Read 17.5
DQ Write 36.2
DQ Mixed 20.6
1,997% 24.8 MB/s
60GB free, PID 2028
Operating at USB 3.0 Speed
SusWrite @10s intervals: 90 88 88 100 96 94 MB/s
122% Outstanding
Read 203
Write 121
Mixed 138
SusWrite 92.7
175% 139 MB/s
4K Read 15.7
4K Write 22.2
4K Mixed 18
1,426% 18.6 MB/s
DQ Read 18.5
DQ Write 26.4
DQ Mixed 18.8
1,606% 21.2 MB/s
104GB free, PID 2028
Operating at USB 3.0 Speed
SusWrite @10s intervals: 163 158 158 157 157 158 MB/s
119% Outstanding
Read 201
Write 178
Mixed 137
SusWrite 158
224% 169 MB/s
4K Read 14.5
4K Write 17
4K Mixed 9.4
952% 13.6 MB/s
DQ Read 15.4
DQ Write 17
DQ Mixed 9.9
972% 14.1 MB/s
3GB free, PID 2028
Operating at USB 2.1 Speed
SusWrite @10s intervals: 41 42 42 42 42 42 MB/s
67.4% Good
Read 41.7
Write 37.4
Mixed 39.6
SusWrite 41.5
54% 40.1 MB/s
4K Read 14.4
4K Write 15.9
4K Mixed 14.7
1,094% 15 MB/s
DQ Read 15.7
DQ Write 16.2
DQ Mixed 15.6
1,140% 15.8 MB/s
26GB free, PID 2028
Operating at USB 2.1 Speed
SusWrite @10s intervals: 27 25 25 24 24 23 MB/s
29.4% Poor
Read 32.8
Write 22.1
Mixed 25.7
SusWrite 24.7
35% 26.3 MB/s
4K Read 6.2
4K Write 5.8
4K Mixed 6.1
428% 6.03 MB/s
27 MORE »
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