TEST
YOUR USB

SAMSUNG (ExtHD)

HD103SJ 1TB

▲ 500 ▼

Release date ≈ Q3 2017.

Average Bench: 19.5% (219th of 639)

Based on 5 user benchmarks.  Device: VID 059f PID 102a Model: SAMSUNG HD103SJ
Poor: 17%Average: 19.5% Great: 23%

Terrible average bench

The SAMSUNG HD103SJ 1TB averaged 80.4% 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 Write Speed 2.71MB/s
Avg. 4K Random Mixed IO Speed 1.07MB/s

Unknown consistency

There are too few samples to reasonably determine how consistently this USB perfroms. This result should be interpreted with caution.

Weaknesses

Avg. 4K Random Read Speed 0.73MB/s
Avg. Sequential Read Speed 31.7MB/s
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Average Bench

(Based on 5 samples)
Rank 21919.5%
Min Avg Max
27.5 Read 31.7 40.3
26.5 Write 32.6 42.1
26.5 Mixed 31.7 40.9
17.7 SusWrite 26.2 35.1
41.7% 30.6 MB/s
Min Avg Max
0.45 4K Read 0.73 0.8
2.44 4K Write 2.71 3.1
0.53 4K Mixed 1.07 1.2
131% 1.5 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
717GB free, PID 102a
Operating at USB 2.0 Speed
22.6% Poor
Read 40.3
Write 42.1
Mixed 40.9
53% 41.1 MB/s
4K Read 0.45
4K Write 2.44
4K Mixed 0.53
103% 1.14 MB/s
931GB free, PID 102a
Operating at USB 2.0 Speed
SusWrite @10s intervals: 31 31 31 31 31 31 MB/s
21% Poor
Read 31.2
Write 29
Mixed 27.8
SusWrite 30.9
40% 29.7 MB/s
4K Read 0.8
4K Write 3.1
4K Mixed 1.2
149% 1.7 MB/s
194GB free, PID 102a
Operating at USB 2.0 Speed
SusWrite @10s intervals: 31 35 36 36 36 36 MB/s
20.8% Poor
Read 32
Write 31.8
Mixed 32
SusWrite 35.1
45% 32.7 MB/s
4K Read 0.8
4K Write 2.7
4K Mixed 1.2
136% 1.57 MB/s
222GB free, PID 102a
Operating at USB 2.0 Speed
SusWrite @10s intervals: 18 18 18 17 18 18 MB/s
16.6% Very poor
Read 27.5
Write 26.5
Mixed 26.5
SusWrite 17.7
33% 24.5 MB/s
4K Read 0.8
4K Write 2.8
4K Mixed 1.2
139% 1.6 MB/s
222GB free, PID 102a
Operating at USB 2.0 Speed
SusWrite @10s intervals: 23 21 21 21 21 21 MB/s
16.5% Very poor
Read 27.7
Write 33.8
Mixed 31.5
SusWrite 21.3
39% 28.6 MB/s
4K Read 0.8
4K Write 2.5
4K Mixed 1.2
129% 1.5 MB/s
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  • Best user rated - User sentiment trumps benchmarks for this comparison.
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