TEST
YOUR USB

Seagate (ExtHD)

Expansion 500GB

▲ 500 ▼

Release date ≤ Q1 2014.

Average Bench: 25.1% (160th of 639)

Based on 1,703 user benchmarks.  Device: VID 0bc2 PID 2320 Model: Seagate Expansion
Poor: 10%Average: 25.1% Great: 41%

Very poor average bench

The Seagate Expansion 500GB averaged 74.8% 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-64Thread Write Speed 15.5MB/s
Avg. 4K-64Thread Mixed IO Speed 13.8MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Seagate Expansion 500GB is 31.1%. This is a relatively narrow range which indicates that the Seagate Expansion 500GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 0.49MB/s
Avg. Sequential Read Speed 59.5MB/s
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Average Bench

(Based on 1,703 samples)
Rank 16025.1%
Min Avg Max
24.3 Read 59.5 104
10.1 Write 44.4 95.9
12.4 Mixed 36.3 57.4
18.9 SusWrite 58.5 103
65.8% 49.7 MB/s
Min Avg Max
0.3 4K Read 0.49 0.6
0.4 4K Write 1.18 2.04
0.4 4K Mixed 0.67 0.84
64.7% 0.78 MB/s
Min Avg Max
12.3 DQ Read 12.3 12.3
15.5 DQ Write 15.5 15.5
13.8 DQ Mixed 13.8 13.8
1,042% 13.9 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
439GB free, PID 2320
Operating at USB 3.0 Speed
SusWrite @10s intervals: 99 104 104 104 104 102 MB/s
39.6% Below average
Read 101
Write 99.5
Mixed 53.2
SusWrite 103
120% 89.1 MB/s
4K Read 0.5
4K Write 0.8
4K Mixed 0.6
50% 0.63 MB/s
168GB free, PID 2320
Operating at USB 3.0 Speed
SusWrite @10s intervals: 92 92 92 92 92 92 MB/s
39.3% Below average
Read 93.2
Write 58
Mixed 52
SusWrite 92.3
97% 73.9 MB/s
4K Read 0.5
4K Write 1.8
4K Mixed 0.8
90% 1.03 MB/s
293GB free, PID 2320
Operating at USB 3.0 Speed
SusWrite @10s intervals: 83 90 90 90 89 90 MB/s
38.6% Below average
Read 92.3
Write 62.9
Mixed 55.4
SusWrite 88.3
98% 74.7 MB/s
4K Read 0.5
4K Write 1.9
4K Mixed 0.8
94% 1.07 MB/s
183GB free, PID 2320
Operating at USB 3.0 Speed
SusWrite @10s intervals: 84 84 84 84 84 85 MB/s
36.7% Below average
Read 89.6
Write 42.2
Mixed 53.6
SusWrite 84.3
87% 67.4 MB/s
4K Read 0.5
4K Write 1.7
4K Mixed 0.8
87% 1 MB/s
257GB free, PID 2320
Operating at USB 2.1 Speed
SusWrite @10s intervals: 40 39 39 39 39 39 MB/s
31.4% Below average
Read 150
Write 9.8
Mixed 28.7
SusWrite 39.1
56% 56.9 MB/s
4K Read 0.8
4K Write 0.3
4K Mixed 0.4
27% 0.5 MB/s
282GB free, PID 2320
Operating at USB 3.0 Speed
SusWrite @10s intervals: 67 73 74 74 73 73 MB/s
29.2% Poor
Read 74.5
Write 70.4
Mixed 39.5
SusWrite 72.4
86% 64.2 MB/s
4K Read 0.5
4K Write 0.8
4K Mixed 0.7
53% 0.67 MB/s
250GB free, PID 2320
Operating at USB 3.0 Speed
SusWrite @10s intervals: 53 55 54 53 54 54 MB/s
26.1% Poor
Read 68.1
Write 66.6
Mixed 38.3
SusWrite 54
75% 56.8 MB/s
4K Read 0.5
4K Write 1.4
4K Mixed 0.7
73% 0.87 MB/s
11GB free, PID 2320
Operating at USB 2.1 Speed
SusWrite @10s intervals: 37 38 38 38 38 37 MB/s
18.7% Very poor
Read 53.9
Write 31.6
Mixed 30.7
SusWrite 37.8
49% 38.5 MB/s
4K Read 0.9
4K Write 0.8
4K Mixed 0.7
54% 0.8 MB/s
1,703 MORE »
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