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Hitachi (ExtHD)

HDS722020ALA330 2TB

▲ 500 ▼

Release date ≈ Q3 2016.

Average Bench: 29.1% (112th of 639)

Based on 15 user benchmarks.  Device: VID 152d PID 0539 Model: Hitachi HDS722020ALA330
Poor: 11%Average: 29.1% Great: 42%

Very poor average bench

The Hitachi HDS722020ALA330 2TB averaged 70.9% 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. Sequential Write Speed 81.9MB/s
Avg. 4K Random Write Speed 1.2MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Hitachi HDS722020ALA330 2TB is 31%. This is a relatively narrow range which indicates that the Hitachi HDS722020ALA330 2TB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 0.75MB/s
Avg. Sequential Read Speed 86MB/s

Average Bench

(Based on 15 samples)
Rank 11229.1%
Min Avg Max
30.5 Read 86 123
27.6 Write 81.9 122
7.01 Mixed 48.4 78.9
2.9 SusWrite 45.8 100
85.1% 65.5 MB/s
Min Avg Max
0.49 4K Read 0.75 1.3
0.8 4K Write 1.2 1.4
0.31 4K Mixed 0.65 0.9
65.6% 0.86 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
1.5TB free, PID 0539
Operating at USB 3.0 Speed
SusWrite @10s intervals: 61 66 71 73 74 78 MB/s
36.1% Below average
Read 114
Write 104
Mixed 41
SusWrite 70.7
106% 82.4 MB/s
4K Read 0.7
4K Write 1.3
4K Mixed 0.9
77% 0.97 MB/s
895GB free, PID 0539
Operating at USB 3.0 Speed
SusWrite @10s intervals: 82 83 83 83 83 83 MB/s
31% Below average
Read 62.6
Write 59.1
Mixed 43.5
SusWrite 83.1
85% 62.1 MB/s
4K Read 0.7
4K Write 1.2
4K Mixed 0.8
71% 0.9 MB/s
2TB free, PID 0539
Operating at USB 3.0 Speed
SusWrite @10s intervals: 40 38 38 38 38 38 MB/s
30.4% Below average
Read 123
Write 115
Mixed 60.3
SusWrite 38.4
106% 84.1 MB/s
4K Read 0.8
4K Write 1.3
4K Mixed 0.7
71% 0.93 MB/s
897GB free, PID 0539
Operating at USB 3.0 Speed
SusWrite @10s intervals: 76 77 74 78 79 77 MB/s
30% Poor
Read 64.6
Write 59.5
Mixed 41.2
SusWrite 76.8
82% 60.5 MB/s
4K Read 0.7
4K Write 1.2
4K Mixed 0.7
67% 0.87 MB/s
2TB free, PID 0539
Operating at USB 3.0 Speed
SusWrite @10s intervals: 32 35 39 37 38 37 MB/s
29.5% Poor
Read 120
Write 116
Mixed 57.6
SusWrite 36.3
104% 82.6 MB/s
4K Read 0.7
4K Write 1.3
4K Mixed 0.7
71% 0.9 MB/s
620GB free, PID 0539
Operating at USB 2.1 Speed
SusWrite @10s intervals: 3 2.7 2.9 2.9 2.8 3 MB/s
10.7% Very poor
Read 50.3
Write 34.7
Mixed 30.9
SusWrite 2.9
36% 29.7 MB/s
4K Read 1.3
4K Write 0.8
4K Mixed 0.9
63% 1 MB/s
620GB free, PID 0539
Operating at USB 2.1 Speed
SusWrite @10s intervals: 3.2 2.6 2.7 3 3.2 3.1 MB/s
8.81% Terrible
Read 35.5
Write 37.2
Mixed 31.1
SusWrite 2.9
34% 26.7 MB/s
4K Read 1.1
4K Write 0.9
4K Mixed 0.9
65% 0.97 MB/s
15 MORE »
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