TEST
YOUR USB

(ExtHD)

ST31000524AS 1TB

▲ 500 ▼

Release date ≈ Q3 2016.

Average Bench: 35.4% (57th of 639)

Based on 12 user benchmarks.  Device: VID 2537 PID 1066 Model: ST31000524AS
Poor: 12%Average: 35.4% Great: 47%

Poor average bench

The ST31000524AS 1TB averaged 64.6% 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 1.43MB/s
Avg. Sustained Write Speed 89.5MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the ST31000524AS 1TB is 35.8%. This is a relatively wide range which indicates that the ST31000524AS 1TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 0.7MB/s
Avg. Sequential Read Speed 81.8MB/s
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Average Bench

(Based on 12 samples)
Rank 5735.4%
Min Avg Max
27.6 Read 81.8 113
21.2 Write 85.5 117
23.1 Mixed 59.3 90.3
12.1 SusWrite 89.5 123
108% 79 MB/s
Min Avg Max
0.44 4K Read 0.7 0.9
0.92 4K Write 1.43 1.8
0.32 4K Mixed 0.75 1
76.7% 0.96 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
598GB free, PID 1066
Operating at USB 3.0 Speed
SusWrite @10s intervals: 117 117 118 117 118 117 MB/s
47.7% Average
Read 113
Write 113
Mixed 73.5
SusWrite 117
141% 104 MB/s
4K Read 0.8
4K Write 1.8
4K Mixed 1
98% 1.2 MB/s
157GB free, PID 1066
Operating at USB 3.0 Speed
SusWrite @10s intervals: 123 122 124 123 123 125 MB/s
47.4% Average
Read 108
Write 109
Mixed 76.5
SusWrite 123
142% 104 MB/s
4K Read 0.9
4K Write 1.5
4K Mixed 1
88% 1.13 MB/s
598GB free, PID 1066
Operating at USB 3.0 Speed
SusWrite @10s intervals: 115 116 118 117 117 117 MB/s
46.8% Average
Read 110
Write 111
Mixed 69.8
SusWrite 117
138% 102 MB/s
4K Read 0.8
4K Write 1.7
4K Mixed 1
95% 1.17 MB/s
524GB free, PID 1066
Operating at USB 3.0 Speed
SusWrite @10s intervals: 102 102 101 103 101 102 MB/s
42% Average
Read 101
Write 102
Mixed 54.5
SusWrite 102
120% 89.8 MB/s
4K Read 0.8
4K Write 1.6
4K Mixed 1
91% 1.13 MB/s
524GB free, PID 1066
Operating at USB 3.0 Speed
SusWrite @10s intervals: 100 102 101 102 102 103 MB/s
41.9% Average
Read 101
Write 101
Mixed 53.8
SusWrite 102
120% 89.3 MB/s
4K Read 0.8
4K Write 1.6
4K Mixed 1
91% 1.13 MB/s
450GB free, PID 1066
Operating at USB 3.0 Speed
SusWrite @10s intervals: 100 103 101 103 103 100 MB/s
41.7% Average
Read 101
Write 97.2
Mixed 72
SusWrite 102
126% 93.1 MB/s
4K Read 0.8
4K Write 1.5
4K Mixed 0.9
85% 1.07 MB/s
487GB free, PID 1066
Operating at USB 2.1 Speed
SusWrite @10s intervals: 13 12 12 12 12 12 MB/s
11.6% Very poor
Read 31.2
Write 24.5
Mixed 23.1
SusWrite 12.1
29% 22.7 MB/s
4K Read 0.7
4K Write 1.4
4K Mixed 0.8
77% 0.97 MB/s
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  • Fastest real world speed - Real World Speed measures performance for typical consumers.

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