TEST
YOUR USB

ST500LT0 (ExtHD)

12-1DG142 500GB

▲ 500 ▼

Release date ≈ Q1 2017.

Average Bench: 35.6% (57th of 639)

Based on 21 user benchmarks.  Device: VID 07ab PID 0621 Model: ST500LT0 12-1DG142
Poor: 16%Average: 35.6% Great: 43%

Poor average bench

The ST500LT0 12-1DG142 500GB averaged 64.3% 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. Sustained Write Speed 95.8MB/s
Avg. Sequential Write Speed 86.8MB/s

Good consistency

The range of scores (95th - 5th percentile) for the ST500LT0 12-1DG142 500GB is 26.9%. This is a relatively narrow range which indicates that the ST500LT0 12-1DG142 500GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 0.5MB/s
Avg. 4K Random Mixed IO Speed 0.56MB/s
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Average Bench

(Based on 21 samples)
Rank 5735.6%
Min Avg Max
28.3 Read 89 115
18 Write 86.8 110
12.5 Mixed 45.3 54.7
28.8 SusWrite 95.8 112
106% 79.2 MB/s
Min Avg Max
0.4 4K Read 0.5 0.6
0.1 4K Write 0.75 0.9
0.18 4K Mixed 0.56 0.6
46.2% 0.6 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
351GB free, PID 0621
Operating at USB 3.0 Speed
SusWrite @10s intervals: 110 112 112 113 113 113 MB/s
43.7% Average
Read 113
Write 103
Mixed 51.3
SusWrite 112
126% 94.9 MB/s
4K Read 0.5
4K Write 0.9
4K Mixed 0.6
53% 0.67 MB/s
351GB free, PID 0621
Operating at USB 3.0 Speed
SusWrite @10s intervals: 107 113 113 112 113 112 MB/s
43.2% Average
Read 110
Write 84.6
Mixed 53.4
SusWrite 112
119% 90 MB/s
4K Read 0.5
4K Write 0.9
4K Mixed 0.6
53% 0.67 MB/s
328GB free, PID 0621
Operating at USB 3.0 Speed
SusWrite @10s intervals: 107 110 109 110 111 111 MB/s
42.9% Average
Read 112
Write 108
Mixed 53.6
SusWrite 109
127% 95.6 MB/s
4K Read 0.5
4K Write 0.9
4K Mixed 0.6
53% 0.67 MB/s
334GB free, PID 0621
Operating at USB 3.0 Speed
SusWrite @10s intervals: 103 108 108 109 110 109 MB/s
42.1% Average
Read 111
Write 110
Mixed 50.6
SusWrite 108
126% 94.8 MB/s
4K Read 0.5
4K Write 0.8
4K Mixed 0.6
50% 0.63 MB/s
441GB free, PID 0621
Operating at USB 3.0 Speed
SusWrite @10s intervals: 102 102 106 106 106 107 MB/s
39.7% Below average
Read 96.1
Write 102
Mixed 52
SusWrite 105
120% 88.8 MB/s
4K Read 0.5
4K Write 0.9
4K Mixed 0.6
53% 0.67 MB/s
21 MORE »
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