TEST
YOUR USB

HP (ExtHD)

emPMD HDD 500GB

▲ 500 ▼

Release date ≈ Q2 2015.

Average Bench: 20.3% (215th of 639)

Based on 16 user benchmarks.  Device: VID 03f0 PID 480c Model: HP emPMD HDD
Poor: 8%Average: 20.3% Great: 35%

Very poor average bench

The HP emPMD HDD 500GB averaged 79.7% 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 51.9MB/s
Avg. Sequential Write Speed 48.7MB/s

Good consistency

The range of scores (95th - 5th percentile) for the HP emPMD HDD 500GB is 27.2%. This is a relatively narrow range which indicates that the HP emPMD HDD 500GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 0.43MB/s
Avg. 4K Random Mixed IO Speed 0.28MB/s
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Average Bench

(Based on 16 samples)
Rank 21520.3%
Min Avg Max
5 Read 52.4 90.7
3.7 Write 48.7 91.5
4.5 Mixed 26.4 54.3
5.4 SusWrite 51.9 84.2
59.7% 44.9 MB/s
Min Avg Max
0 4K Read 0.43 1.2
0 4K Write 0.57 1.97
0 4K Mixed 0.28 0.7
30.5% 0.43 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
385GB free, PID 480c
Operating at USB 3.0 Speed
SusWrite @10s intervals: 82 85 85 85 84 84 MB/s
36.8% Below average
Read 90.7
Write 91
Mixed 54.3
SusWrite 84.2
107% 80.1 MB/s
4K Read 0.5
4K Write 1.7
4K Mixed 0.6
80% 0.93 MB/s
345GB free, PID 480c
Operating at USB 3.0 Speed
SusWrite @10s intervals: 83 82 82 84 83 83 MB/s
34.9% Below average
Read 81.3
Write 81.5
Mixed 53.5
SusWrite 82.9
101% 74.8 MB/s
4K Read 0.5
4K Write 1.6
4K Mixed 0.7
80% 0.93 MB/s
466GB free, PID 480c
Operating at USB 3.0 Speed
SusWrite @10s intervals: 79 80 84 84 84 84 MB/s
30.6% Below average
Read 77.9
Write 79.4
Mixed 30
SusWrite 82.6
90% 67.5 MB/s
4K Read 0.4
4K Write 0.4
4K Mixed 0.4
29% 0.4 MB/s
184GB free, PID 480c
Operating at USB 3.0 Speed
SusWrite @10s intervals: 53 51 48 55 56 55 MB/s
18.9% Very poor
Read 43.6
Write 44.6
Mixed 23.2
SusWrite 53.1
56% 41.1 MB/s
4K Read 0.5
4K Write 0.3
4K Mixed 0.3
22% 0.37 MB/s
87GB free, PID 480c
Operating at USB 2.1 Speed
SusWrite @10s intervals: 15 14 16 14 15 15 MB/s
11.9% Very poor
Read 57.8
Write 15.2
Mixed 16.9
SusWrite 14.8
28% 26.2 MB/s
4K Read 1.2
4K Write 0
4K Mixed 0.4
18% 0.53 MB/s
194GB free, PID 480c
Operating at USB 2.1 Speed
SusWrite @10s intervals: 15 15 15 15 15 15 MB/s
7.69% Terrible
Read 25.6
Write 13.7
Mixed 15.5
SusWrite 15.1
22% 17.5 MB/s
4K Read 0.3
4K Write 0.2
4K Mixed 0.2
15% 0.23 MB/s
138GB free, PID 480c
Operating at USB 2.1 Speed
SusWrite @10s intervals: 4 7.8 5.1 6.9 4.2 4.8 MB/s
1.9% Terrible
Read 5
Write 3.7
Mixed 4.5
SusWrite 5.4
6% 4.65 MB/s
4K Read 0
4K Write 0
4K Mixed 0
0% 0 MB/s
16 MORE »
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