TEST
YOUR USB

BUFFALO (ExtHD)

HD-LXU3 4TB

▲ 500 ▼

Release date ≈ Q4 2016.

Average Bench: 56.2% (20th of 639)

Based on 99 user benchmarks.  Device: VID 0411 PID 01f7 Model: BUFFALO HD-LXU3
Poor: 18%Average: 56.2% Great: 80%

Average average bench

The BUFFALO HD-LXU3 4TB averaged 43.7% 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 Random Write Speed 2.26MB/s
Avg. Sustained Write Speed 129MB/s

Poor consistency

The range of scores (95th - 5th percentile) for the BUFFALO HD-LXU3 4TB is 61.9%. This is a particularly wide range which indicates that the BUFFALO HD-LXU3 4TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sequential Read Speed 133MB/s
Avg. 4K Random Read Speed 7.99MB/s
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Average Bench

(Based on 99 samples)
Rank 2056.2%
Min Avg Max
31.4 Read 133 191
25.5 Write 129 188
25.3 Mixed 64.2 103
26 SusWrite 129 195
152% 114 MB/s
Min Avg Max
0.6 4K Read 7.99 16.6
1.6 4K Write 2.26 3.3
0.7 4K Mixed 1.01 1.1
141% 3.75 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
1TB free, PID 01f7
Operating at USB 3.0 Speed
SusWrite @10s intervals: 126 128 125 129 126 127 MB/s
57.2% Above average
Read 141
Write 139
Mixed 65.8
SusWrite 127
157% 118 MB/s
4K Read 10.1
4K Write 2.2
4K Mixed 1
146% 4.43 MB/s
18GB free, PID 01f7
Operating at USB 3.0 Speed
SusWrite @10s intervals: 117 124 115 122 120 117 MB/s
56.7% Above average
Read 146
Write 144
Mixed 72
SusWrite 119
159% 120 MB/s
4K Read 10.6
4K Write 2.3
4K Mixed 1.1
155% 4.67 MB/s
210GB free, PID 01f7
Operating at USB 3.0 Speed
SusWrite @10s intervals: 102 98 98 100 96 102 MB/s
53% Above average
Read 147
Write 160
Mixed 64.8
SusWrite 99.4
154% 118 MB/s
4K Read 12.7
4K Write 2.3
4K Mixed 1.1
163% 5.37 MB/s
59GB free, PID 01f7
Operating at USB 3.0 Speed
SusWrite @10s intervals: 102 101 98 103 98 146 MB/s
45% Average
Read 102
Write 107
Mixed 53.8
SusWrite 108
125% 92.7 MB/s
4K Read 2.1
4K Write 2
4K Mixed 1
110% 1.7 MB/s
596GB free, PID 01f7
Operating at USB 2.1 Speed
SusWrite @10s intervals: 39 40 39 40 39 39 MB/s
20.1% Poor
Read 52.4
Write 37.1
Mixed 31.3
SusWrite 39.3
52% 40 MB/s
4K Read 1.1
4K Write 1.2
4K Mixed 0.7
69% 1 MB/s
99 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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