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Hitachi

HUA721075KLA 750GB

▲ 500 ▼

Release date ≤ Q2 2014.

Average Bench: 31.6% (681st of 1015)

Based on 24 user benchmarks.  Model: Hitachi HUA721075KLA
Poor: 22%Average: 31.6% Great: 46%

Poor average bench

The Hitachi HUA721075KLA 750GB averaged 68.4% 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 Random Mixed IO Speed 0.47MB/s
Avg. 4K Random Read Speed 0.68MB/s

Good consistency

The range of scores (95th - 5th percentile) for the Hitachi HUA721075KLA 750GB is 23.8%. This is a relatively narrow range which indicates that the Hitachi HUA721075KLA 750GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. Sequential Write Speed 36.2MB/s
Avg. Sustained Write Speed 36.8MB/s
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Average Bench

(Based on 24 samples)
Rank 68131.6%
Min Avg Max
59.3 Read 73.8 83.2
9.5 Write 36.2 79.2
14.6 Mixed 36 82.4
9.1 SusWrite 36.8 82.3
33.7% 45.7 MB/s
Min Avg Max
0.17 4K Read 0.68 0.9
0.15 4K Write 0.99 1.9
0.11 4K Mixed 0.47 0.9
98.9% 0.71 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest HDD (mainstream) averages a speed of 100%
641GB free
Firmware: GK8O
SusWrite @10s intervals: 81 83 83 83 83 82 MB/s
46.7% Average
Read 80
Write 73
Mixed 42.5
SusWrite 82.3
51% 69.4 MB/s
4K Read 0.9
4K Write 1.8
4K Mixed 0.9
171% 1.2 MB/s
699GB free
Firmware: GK8O
SusWrite @10s intervals: 81 82 82 82 82 81 MB/s
43.2% Average
Read 68.4
Write 79.2
Mixed 41.4
SusWrite 81.7
50% 67.7 MB/s
4K Read 0.8
4K Write 1.9
4K Mixed 0.8
157% 1.17 MB/s
508GB free
Firmware: GK8O
SusWrite @10s intervals: 73 72 76 78 75 75 MB/s
42.5% Average
Read 72.8
Write 54.6
Mixed 40.7
SusWrite 74.8
45% 60.7 MB/s
4K Read 0.8
4K Write 1.7
4K Mixed 0.8
154% 1.1 MB/s
511GB free (System drive)
Firmware: GK8O
SusWrite @10s intervals: 39 44 39 41 45 43 MB/s
34.3% Below average
Read 77.1
Write 74.7
Mixed 39.4
SusWrite 42
43% 58.3 MB/s
4K Read 0.9
4K Write 1.5
4K Mixed 0.9
165% 1.1 MB/s
695GB free
Firmware: GK8O
SusWrite @10s intervals: 10 10 10 11 11 10 MB/s
25.9% Poor
Read 79.8
Write 9.9
Mixed 15
SusWrite 10.5
21% 28.8 MB/s
4K Read 0.7
4K Write 0.6
4K Mixed 0.7
118% 0.67 MB/s
688GB free (System drive)
Firmware: GK8O
SusWrite @10s intervals: 10 10 10 9.8 10 10 MB/s
25.7% Poor
Read 79.4
Write 9.8
Mixed 14.6
SusWrite 10.1
21% 28.5 MB/s
4K Read 0.8
4K Write 0.6
4K Mixed 0.7
122% 0.7 MB/s
184GB free
Firmware: GK8O
SusWrite @10s intervals: 10 10 10 10 10 10 MB/s
24% Poor
Read 73.2
Write 10.2
Mixed 16.2
SusWrite 10.3
20% 27.5 MB/s
4K Read 0.8
4K Write 0.6
4K Mixed 0.7
122% 0.7 MB/s
380GB free (System drive)
Firmware: GK8O
SusWrite @10s intervals: 8.2 7.8 8.8 9.5 10 10 MB/s
23.5% Poor
Read 72.7
Write 9.5
Mixed 15.8
SusWrite 9.1
20% 26.8 MB/s
4K Read 0.8
4K Write 0.6
4K Mixed 0.7
122% 0.7 MB/s
24 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 53,513,983 HDDs tested

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