TEST
YOUR USB

HGST (ExtHD)

HTS721010A9 1TB

▲ 500 ▼

Release date ≈ Q4 2015.

Average Bench: 32.8% (73rd of 639)

Based on 75 user benchmarks.  Device: VID 2537 PID 1066 Model: HGST HTS721010A9
Poor: 15%Average: 32.8% Great: 52%

Poor average bench

The HGST HTS721010A9 1TB averaged 67.2% 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 Write Speed 1.42MB/s
Avg. Sequential Write Speed 76.4MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the HGST HTS721010A9 1TB is 37.6%. This is a relatively wide range which indicates that the HGST HTS721010A9 1TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 0.61MB/s
Avg. 4K Random Mixed IO Speed 0.37MB/s
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Average Bench

(Based on 75 samples)
Rank 7332.8%
Min Avg Max
28 Read 80.9 136
23.3 Write 76.4 128
10.5 Mixed 38.2 91.1
18.9 SusWrite 69.4 130
87.4% 66.2 MB/s
Min Avg Max
0.34 4K Read 0.61 0.7
0.54 4K Write 1.42 1.8
0.14 4K Mixed 0.37 0.62
63.1% 0.8 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
927GB free, PID 1066
Operating at USB 3.0 Speed
SusWrite @10s intervals: 126 121 122 123 126 125 MB/s
50.2% Above average
Read 125
Write 114
Mixed 33.7
SusWrite 124
130% 99.2 MB/s
4K Read 0.7
4K Write 1.6
4K Mixed 0.6
77% 0.97 MB/s
267GB free, PID 1066
Operating at USB 3.0 Speed
SusWrite @10s intervals: 111 110 110 112 112 111 MB/s
45.9% Average
Read 111
Write 116
Mixed 29
SusWrite 111
121% 91.7 MB/s
4K Read 0.7
4K Write 1.8
4K Mixed 0.6
84% 1.03 MB/s
35GB free, PID 1066
Operating at USB 3.0 Speed
SusWrite @10s intervals: 74 73 72 72 72 72 MB/s
33.1% Below average
Read 90.7
Write 93.2
Mixed 21.7
SusWrite 72.6
90% 69.5 MB/s
4K Read 0.7
4K Write 1.3
4K Mixed 0.5
64% 0.83 MB/s
81GB free, PID 1066
Operating at USB 3.0 Speed
SusWrite @10s intervals: 68 68 69 69 69 70 MB/s
29.9% Poor
Read 76.2
Write 80.7
Mixed 23.2
SusWrite 68.8
82% 62.2 MB/s
4K Read 0.6
4K Write 1.2
4K Mixed 0.4
57% 0.73 MB/s
92GB free, PID 1066
Operating at USB 2.1 Speed
SusWrite @10s intervals: 24 26 26 26 26 26 MB/s
14.6% Very poor
Read 29.5
Write 23.1
Mixed 24.8
SusWrite 25.7
34% 25.8 MB/s
4K Read 0.6
4K Write 1.5
4K Mixed 0.6
74% 0.9 MB/s
75 MORE »
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  • Best user rated - User sentiment trumps benchmarks for this comparison.
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  • Fastest real world speed - Real World Speed measures performance for typical consumers.

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