TEST
YOUR USB

WD (ExtHD)

Elements 25A3 5TB

▲ 500 ▼

Release date ≈ Q3 2016.

Average Bench: 48.3% (24th of 639)

Based on 1,735 user benchmarks.  Device: VID 1058 PID 25a3 Model: WD Elements 25A3
Poor: 16%Average: 48.3% Great: 66%

Below average average bench

The WD Elements 25A3 5TB averaged 51.6% 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 10.3MB/s
Avg. 4K Random Write Speed 2.51MB/s

Below average consistency

The range of scores (95th - 5th percentile) for the WD Elements 25A3 5TB is 50%. This is a relatively wide range which indicates that the WD Elements 25A3 5TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Read Speed 0.4MB/s
Avg. 4K Random Read Speed 0.98MB/s
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Average Bench

(Based on 1,735 samples)
Rank 2448.3%
Min Avg Max
30.9 Read 114 167
26.5 Write 114 163
24.7 Mixed 89.9 126
20.3 SusWrite 109 160
145% 107 MB/s
Min Avg Max
0.7 4K Read 0.98 1.1
1.8 4K Write 2.51 2.8
0.8 4K Mixed 0.99 1.1
123% 1.5 MB/s
Min Avg Max
0.4 DQ Read 0.4 0.4
10.3 DQ Write 10.3 10.3
0.8 DQ Mixed 0.8 0.8
379% 3.83 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
359GB free, PID 25a3
Operating at USB 3.0 Speed
SusWrite @10s intervals: 129 131 130 130 130 130 MB/s
60.7% Good
Read 159
Write 159
Mixed 118
SusWrite 130
190% 142 MB/s
4K Read 1.1
4K Write 2.9
4K Mixed 1.1
140% 1.7 MB/s
2TB free, PID 25a3
Operating at USB 3.0 Speed
SusWrite @10s intervals: 135 135 134 135 132 132 MB/s
55.8% Above average
Read 129
Write 133
Mixed 103
SusWrite 134
170% 125 MB/s
4K Read 1
4K Write 2.5
4K Mixed 1
123% 1.5 MB/s
1TB free, PID 25a3
Operating at USB 3.0 Speed
SusWrite @10s intervals: 142 142 142 140 141 143 MB/s
54.9% Above average
Read 115
Write 118
Mixed 97.1
SusWrite 142
162% 118 MB/s
4K Read 1.1
4K Write 2.3
4K Mixed 1
116% 1.47 MB/s
870GB free, PID 25a3
Operating at USB 3.0 Speed
SusWrite @10s intervals: 112 111 113 112 111 111 MB/s
53% Above average
Read 141
Write 146
Mixed 114
SusWrite 112
173% 128 MB/s
4K Read 1
4K Write 2.6
4K Mixed 1.1
130% 1.57 MB/s
1TB free, PID 25a3
Operating at USB 3.0 Speed
SusWrite @10s intervals: 106 106 104 106 106 107 MB/s
46.1% Average
Read 106
Write 109
Mixed 93.5
SusWrite 106
142% 104 MB/s
4K Read 1.1
4K Write 2.4
4K Mixed 1
120% 1.5 MB/s
608GB free, PID 25a3
Operating at USB 2.1 Speed
SusWrite @10s intervals: 32 32 32 32 32 32 MB/s
18.9% Very poor
Read 59.6
Write 27
Mixed 29.6
SusWrite 32
46% 37 MB/s
4K Read 2.2
4K Write 0.9
4K Mixed 1
73% 1.37 MB/s
608GB free, PID 25a3
Operating at USB 2.1 Speed
SusWrite @10s intervals: 32 32 32 32 33 32 MB/s
18.6% Very poor
Read 58.1
Write 28
Mixed 28.6
SusWrite 32.1
45% 36.7 MB/s
4K Read 2.9
4K Write 0.8
4K Mixed 1
72% 1.57 MB/s
1,735 MORE »
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  • Fastest real world speed - Real World Speed measures performance for typical consumers.

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