TEST
YOUR USB

BUFFALO (ExtHD)

External HDD 3TB

▲ 500 ▼

Release date ≤ Q2 2014.

Average Bench: 43.3% (35th of 639)

Based on 185 user benchmarks.  Device: VID 0411 PID 01f1 Model: BUFFALO External HDD
Poor: 11%Average: 43.3% Great: 72%

Below average average bench

The BUFFALO External HDD 3TB averaged 56.7% 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 102MB/s
Avg. 4K Random Write Speed 1.57MB/s

Poor consistency

The range of scores (95th - 5th percentile) for the BUFFALO External HDD 3TB is 60.3%. This is a particularly wide range which indicates that the BUFFALO External HDD 3TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K Random Read Speed 0.84MB/s
Avg. 4K Random Mixed IO Speed 0.69MB/s
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Average Bench

(Based on 185 samples)
Rank 3543.3%
Min Avg Max
29 Read 107 189
19.4 Write 99.3 165
20.6 Mixed 67.3 103
10.8 SusWrite 102 184
126% 94 MB/s
Min Avg Max
0.6 4K Read 0.84 1
0.72 4K Write 1.57 2.6
0.19 4K Mixed 0.69 0.9
80% 1.03 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
2TB free, PID 01f1
Operating at USB 3.0 Speed
SusWrite @10s intervals: 148 162 159 165 162 161 MB/s
64.4% Good
Read 174
Write 148
Mixed 86.9
SusWrite 159
187% 142 MB/s
4K Read 0.8
4K Write 1.4
4K Mixed 0.7
74% 0.97 MB/s
1TB free, PID 01f1
Operating at USB 3.0 Speed
SusWrite @10s intervals: 90 91 91 91 90 91 MB/s
49.4% Average
Read 143
Write 143
Mixed 86.3
SusWrite 90.6
152% 116 MB/s
4K Read 1
4K Write 2.8
4K Mixed 0.9
130% 1.57 MB/s
568GB free, PID 01f1
Operating at USB 3.0 Speed
SusWrite @10s intervals: 143 148 146 151 146 149 MB/s
44.8% Average
Read 69.7
Write 66.9
Mixed 71.4
SusWrite 147
126% 88.8 MB/s
4K Read 0.6
4K Write 0.8
4K Mixed 0.6
50% 0.67 MB/s
1TB free, PID 01f1
Operating at USB 3.0 Speed
SusWrite @10s intervals: 93 96 94 94 95 96 MB/s
44.7% Average
Read 118
Write 106
Mixed 84.6
SusWrite 94.5
134% 101 MB/s
4K Read 0.8
4K Write 2.2
4K Mixed 0.8
105% 1.27 MB/s
2.5TB free, PID 01f1
Operating at USB 3.0 Speed
SusWrite @10s intervals: 83 84 83 82 82 82 MB/s
38.7% Below average
Read 101
Write 116
Mixed 81.8
SusWrite 82.6
129% 95.3 MB/s
4K Read 0.9
4K Write 1.9
4K Mixed 0.7
92% 1.17 MB/s
27GB free, PID 01f1
Operating at USB 3.0 Speed
SusWrite @10s intervals: 78 79 82 83 81 84 MB/s
35.3% Below average
Read 88.4
Write 83.7
Mixed 57.5
SusWrite 81.3
104% 77.7 MB/s
4K Read 0.5
4K Write 1.5
4K Mixed 0.4
66% 0.8 MB/s
185 MORE »
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  • Best user rated - User sentiment trumps benchmarks for this comparison.
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  • Fastest real world speed - Real World Speed measures performance for typical consumers.

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