TEST
YOUR USB

PHD (ExtHD)

3.0 Silicon-Power 500GB

▲ 500 ▼

Release date ≈ Q3 2014.

Average Bench: 31.6% (83rd of 639)

Based on 9 user benchmarks.  Device: VID 152d PID 0567 Model: PHD 3.0 Silicon-Power
Poor: 10%Average: 31.6% Great: 48%

Poor average bench

The PHD 3.0 Silicon-Power 500GB averaged 68.3% 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 90.5MB/s
Avg. Sequential Write Speed 76MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the PHD 3.0 Silicon-Power 500GB is 37.4%. This is a relatively wide range which indicates that the PHD 3.0 Silicon-Power 500GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 0.52MB/s
Avg. 4K Random Mixed IO Speed 0.46MB/s
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Average Bench

(Based on 9 samples)
Rank 8331.6%
Min Avg Max
32.6 Read 79.6 116
20.7 Write 76 112
8.48 Mixed 39.6 66.1
32 SusWrite 90.5 115
96.1% 71.4 MB/s
Min Avg Max
0.42 4K Read 0.52 0.6
0.31 4K Write 1.05 2.3
0.2 4K Mixed 0.46 0.8
53.4% 0.68 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
465GB free, PID 0567
Operating at USB 3.0 Speed
SusWrite @10s intervals: 115 115 115 114 114 115 MB/s
47.7% Average
Read 116
Write 112
Mixed 38
SusWrite 115
125% 95 MB/s
4K Read 0.5
4K Write 1.9
4K Mixed 0.7
90% 1.03 MB/s
438GB free, PID 0567
Operating at USB 3.0 Speed
SusWrite @10s intervals: 110 110 110 110 109 108 MB/s
45.9% Average
Read 109
Write 108
Mixed 37.7
SusWrite 109
120% 90.9 MB/s
4K Read 0.5
4K Write 2
4K Mixed 0.5
87% 1 MB/s
448GB free, PID 0567
Operating at USB 3.0 Speed
SusWrite @10s intervals: 109 110 110 110 110 110 MB/s
41.7% Average
Read 113
Write 109
Mixed 37.3
SusWrite 110
122% 92.2 MB/s
4K Read 0.5
4K Write 0.4
4K Mixed 0.4
29% 0.43 MB/s
260GB free, PID 0567
Operating at USB 3.0 Speed
SusWrite @10s intervals: 87 87 87 87 87 87 MB/s
39.2% Below average
Read 89.7
Write 90.8
Mixed 53.7
SusWrite 86.9
108% 80.3 MB/s
4K Read 0.6
4K Write 2.3
4K Mixed 0.8
108% 1.23 MB/s
91GB free, PID 0567
Operating at USB 2.1 Speed
SusWrite @10s intervals: 30 32 32 32 33 33 MB/s
13.3% Very poor
Read 34.2
Write 27.6
Mixed 20.4
SusWrite 32
38% 28.6 MB/s
4K Read 0.5
4K Write 0.4
4K Mixed 0.4
29% 0.43 MB/s
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