TEST
YOUR USB

HitachiG (ExtHD)

ST 128GB

▲ 5017 ▼

Release date ≈ Q3 2018.

Average Bench: 127% (3rd of 639)

Based on 17 user benchmarks.  Device: VID 4971 PID 1014 Model: HitachiG ST
Poor: 58%Average: 127% Great: 192%

Outstanding average bench

The HitachiG ST 128GB averaged 26.7% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the HitachiG ST 128GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Write Speed 34.1MB/s
Avg. 4K Random Write Speed 22.4MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the HitachiG ST 128GB is 134%. This is a particularly wide range which indicates that the HitachiG ST 128GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Read Speed 185MB/s
Avg. 4K Random Read Speed 13.6MB/s
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Average Bench

(Based on 17 samples)
Rank 3127%
Min Avg Max
34.6 Read 185 238
33.6 Write 139 226
20.9 Mixed 119 195
41 SusWrite 127 225
185% 143 MB/s
Min Avg Max
6.2 4K Read 13.6 19.3
8.5 4K Write 22.4 44.4
8.4 4K Mixed 14.4 21.4
1,304% 16.8 MB/s
Min Avg Max
12.5 DQ Read 18.3 24.1
18.2 DQ Write 34.1 57.1
10.6 DQ Mixed 19.9 29.5
1,905% 24.1 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
119GB free, PID 1014
Operating at USB 3.0 Speed
SusWrite @10s intervals: 164 152 166 163 161 153 MB/s
201% Outstanding
Read 178
Write 164
Mixed 133
SusWrite 160
213% 159 MB/s
4K Read 17.9
4K Write 44.4
4K Mixed 21.4
2,304% 27.9 MB/s
DQ Read 23.1
DQ Write 57.1
DQ Mixed 28.5
2,997% 36.2 MB/s
119GB free, PID 1014
Operating at USB 3.0 Speed
SusWrite @10s intervals: 150 162 169 170 173 169 MB/s
192% Outstanding
Read 166
Write 161
Mixed 134
SusWrite 166
213% 157 MB/s
4K Read 19.3
4K Write 41.4
4K Mixed 18.4
2,106% 26.4 MB/s
DQ Read 24.1
DQ Write 56.2
DQ Mixed 29.5
3,004% 36.6 MB/s
119GB free, PID 1014
Operating at USB 3.0 Speed
SusWrite @10s intervals: 224 224 226 224 225 224 MB/s
155% Outstanding
Read 176
Write 226
Mixed 195
SusWrite 225
289% 205 MB/s
4K Read 12.9
4K Write 25.1
4K Mixed 9.5
1,225% 15.8 MB/s
DQ Read 12.5
DQ Write 35.3
DQ Mixed 10.6
1,608% 19.5 MB/s
97GB free, PID 1014
Operating at USB 3.0 Speed
SusWrite @10s intervals: 216 213 198 220 202 204 MB/s
148% Outstanding
Read 227
Write 208
Mixed 189
SusWrite 209
281% 208 MB/s
4K Read 15.6
4K Write 21.3
4K Mixed 15.8
1,320% 17.6 MB/s
DQ Read 18.4
DQ Write 26.3
DQ Mixed 18.6
1,596% 21.1 MB/s
97GB free, PID 1014
Operating at USB 3.0 Speed
SusWrite @10s intervals: 205 199 181 207 215 218 MB/s
137% Outstanding
Read 220
Write 210
Mixed 180
SusWrite 204
276% 204 MB/s
4K Read 14
4K Write 18.8
4K Mixed 15.1
1,205% 16 MB/s
DQ Read 18.3
DQ Write 26.5
DQ Mixed 19.6
1,636% 21.5 MB/s
97GB free, PID 1014
Operating at USB 3.0 Speed
SusWrite @10s intervals: 207 212 168 204 216 208 MB/s
134% Outstanding
Read 197
Write 198
Mixed 164
SusWrite 203
260% 190 MB/s
4K Read 14.3
4K Write 18.7
4K Mixed 14
1,165% 15.7 MB/s
DQ Read 18.5
DQ Write 26.3
DQ Mixed 19.2
1,616% 21.3 MB/s
100GB free, PID 1014
Operating at USB 3.0 Speed
SusWrite @10s intervals: 200 197 189 218 215 215 MB/s
128% Outstanding
Read 225
Write 216
Mixed 168
SusWrite 206
274% 204 MB/s
4K Read 12.1
4K Write 15.6
4K Mixed 14.6
1,072% 14.1 MB/s
DQ Read 18.1
DQ Write 25.6
DQ Mixed 18.9
1,581% 20.9 MB/s
100GB free, PID 1014
Operating at USB 2.1 Speed
SusWrite @10s intervals: 41 42 41 41 41 40 MB/s
73.6% Very good
Read 34.6
Write 33.6
Mixed 32.5
SusWrite 41
49% 35.4 MB/s
4K Read 13.2
4K Write 18.4
4K Mixed 13.5
1,134% 15 MB/s
DQ Read 14
DQ Write 18.2
DQ Mixed 14.1
1,150% 15.4 MB/s
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