TEST
YOUR USB

BUFFALO (ExtHD)

HD-PCFU3 500GB

▲ 500 ▼

Release date ≈ Q3 2014.

Average Bench: 27.3% (128th of 639)

Based on 222 user benchmarks.  Device: VID 0411 PID 0240 Model: BUFFALO HD-PCFU3
Poor: 10%Average: 27.3% Great: 45%

Very poor average bench

The BUFFALO HD-PCFU3 500GB averaged 72.7% 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. 4K-64Thread Write Speed 13.5MB/s
Avg. 4K-64Thread Mixed IO Speed 6.8MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the BUFFALO HD-PCFU3 500GB is 34.6%. This is a relatively narrow range which indicates that the BUFFALO HD-PCFU3 500GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 0.48MB/s
Avg. 4K-64Thread Read Speed 3MB/s
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Average Bench

(Based on 222 samples)
Rank 12827.3%
Min Avg Max
16.9 Read 64.5 110
16.7 Write 61.2 107
13.5 Mixed 38.6 76.6
12.6 SusWrite 62.8 112
76.1% 56.8 MB/s
Min Avg Max
0.3 4K Read 0.48 0.6
0.35 4K Write 1.54 2.2
0.15 4K Mixed 0.48 0.9
70.6% 0.84 MB/s
Min Avg Max
3 DQ Read 3 3
13.5 DQ Write 13.5 13.5
6.8 DQ Mixed 6.8 6.8
702% 7.77 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
314GB free, PID 0240
Operating at USB 3.0 Speed
SusWrite @10s intervals: 99 100 98 99 99 99 MB/s
41.6% Average
Read 103
Write 94.9
Mixed 38.8
SusWrite 99
111% 84 MB/s
4K Read 0.5
4K Write 1.6
4K Mixed 0.5
73% 0.87 MB/s
119GB free, PID 0240
Operating at USB 3.0 Speed
SusWrite @10s intervals: 101 101 100 101 100 101 MB/s
36.6% Below average
Read 57.8
Write 64.2
Mixed 42.5
SusWrite 101
93% 66.3 MB/s
4K Read 0.5
4K Write 2
4K Mixed 0.9
100% 1.13 MB/s
67GB free, PID 0240
Operating at USB 3.0 Speed
SusWrite @10s intervals: 67 67 67 67 66 66 MB/s
36% Below average
Read 107
Write 109
Mixed 60
SusWrite 66.6
112% 85.6 MB/s
4K Read 0.5
4K Write 1.9
4K Mixed 1
100% 1.13 MB/s
140GB free, PID 0240
Operating at USB 3.0 Speed
SusWrite @10s intervals: 89 86 86 90 89 91 MB/s
35.4% Below average
Read 66.1
Write 68
Mixed 47.1
SusWrite 88.5
93% 67.4 MB/s
4K Read 0.5
4K Write 2.1
4K Mixed 0.9
104% 1.17 MB/s
114GB free, PID 0240
Operating at USB 3.0 Speed
SusWrite @10s intervals: 65 67 67 67 68 67 MB/s
30.2% Below average
Read 75.2
Write 67.5
Mixed 29
SusWrite 66.8
78% 59.6 MB/s
4K Read 0.5
4K Write 1.5
4K Mixed 0.5
70% 0.83 MB/s
87GB free, PID 0240
Operating at USB 2.1 Speed
SusWrite @10s intervals: 40 40 41 40 41 40 MB/s
20.2% Poor
Read 50.1
Write 36.4
Mixed 26.1
SusWrite 40.3
50% 38.2 MB/s
4K Read 0.8
4K Write 1.3
4K Mixed 0.9
78% 1 MB/s
222 MORE »
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  • Fastest real world speed - Real World Speed measures performance for typical consumers.

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