TEST
YOUR USB

HitachiG (ExtHD)

ST 240GB

▲ 5021 ▼

Release date ≈ Q4 2016.

Average Bench: 106% (5th of 639)

Based on 28 user benchmarks.  Device: VID 4971 PID 1014 Model: HitachiG ST
Poor: 27%Average: 106% Great: 191%

Outstanding average bench

The HitachiG ST 240GB averaged 6.1% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the HitachiG ST 240GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Write Speed 33.2MB/s
Avg. 4K Random Write Speed 19.7MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the HitachiG ST 240GB is 164%. This is a particularly wide range which indicates that the HitachiG ST 240GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Read Speed 116MB/s
Avg. 4K Random Read Speed 13.6MB/s
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Average Bench

(Based on 28 samples)
Rank 5106%
Min Avg Max
29.3 Read 116 238
23.5 Write 120 240
25.7 Mixed 104 207
25.4 SusWrite 116 234
156% 114 MB/s
Min Avg Max
4.89 4K Read 13.6 22.9
4.94 4K Write 19.7 38.6
2.58 4K Mixed 11 17.5
1,097% 14.8 MB/s
Min Avg Max
10.7 DQ Read 19 25
16.4 DQ Write 33.2 52.4
7.78 DQ Mixed 15.7 24.7
1,734% 22.6 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
223GB free, PID 1014
Operating at USB 3.0 Speed
SusWrite @10s intervals: 204 232 232 225 223 228 MB/s
147% Outstanding
Read 230
Write 222
Mixed 178
SusWrite 224
289% 214 MB/s
4K Read 13.5
4K Write 20.1
4K Mixed 17.5
1,329% 17 MB/s
DQ Read 20.2
DQ Write 32.3
DQ Mixed 22
1,922% 24.8 MB/s
223GB free, PID 1014
Operating at USB 3.0 Speed
SusWrite @10s intervals: 195 208 209 215 221 222 MB/s
141% Outstanding
Read 216
Write 204
Mixed 169
SusWrite 212
271% 200 MB/s
4K Read 15.6
4K Write 19.3
4K Mixed 15.7
1,248% 16.9 MB/s
DQ Read 20.9
DQ Write 36.4
DQ Mixed 24.3
2,142% 27.2 MB/s
223GB free, PID 1014
Operating at USB 3.0 Speed
SusWrite @10s intervals: 105 125 124 126 138 138 MB/s
128% Outstanding
Read 175
Write 137
Mixed 132
SusWrite 126
188% 143 MB/s
4K Read 16.1
4K Write 23.3
4K Mixed 14.9
1,359% 18.1 MB/s
DQ Read 17.7
DQ Write 20.9
DQ Mixed 17.8
1,382% 18.8 MB/s
209GB free, PID 1014
Operating at USB 3.0 Speed
SusWrite @10s intervals: 238 163 90 88 88 89 MB/s
127% Outstanding
Read 172
Write 110
Mixed 149
SusWrite 126
183% 139 MB/s
4K Read 17.3
4K Write 22.8
4K Mixed 15.2
1,357% 18.4 MB/s
DQ Read 16.8
DQ Write 28.3
DQ Mixed 20.9
1,736% 22 MB/s
202GB free (System drive), PID 1014
Operating at USB 3.0 Speed
SusWrite @10s intervals: 167 63 26 38 43 49 MB/s
103% Outstanding
Read 204
Write 207
Mixed 191
SusWrite 64.2
220% 166 MB/s
4K Read 16.8
4K Write 17.9
4K Mixed 15.7
1,205% 16.8 MB/s
DQ Read 15.6
DQ Write 23.5
DQ Mixed 18.2
1,476% 19.1 MB/s
216GB free, PID 1014
Operating at USB 2.1 Speed
SusWrite @10s intervals: 38 38 38 37 37 37 MB/s
86.1% Excellent
Read 37.4
Write 36.5
Mixed 36.8
SusWrite 37.6
51% 37.1 MB/s
4K Read 12.9
4K Write 22.6
4K Mixed 14.6
1,313% 16.7 MB/s
DQ Read 15.1
DQ Write 28.5
DQ Mixed 16.8
1,597% 20.1 MB/s
217GB free, PID 1014
Operating at USB 2.1 Speed
SusWrite @10s intervals: 42 42 42 42 41 41 MB/s
62.5% Good
Read 41
Write 41
Mixed 39.2
SusWrite 41.7
56% 40.7 MB/s
4K Read 11.2
4K Write 14.6
4K Mixed 10.9
909% 12.2 MB/s
DQ Read 13.1
DQ Write 18.5
DQ Mixed 14.1
1,157% 15.2 MB/s
28 MORE »
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