TEST
YOUR USB

WD (ExtHD)

My Book 25EE 8TB

▲ 500 ▼

Release date ≈ Q4 2016.

Average Bench: 62.8% (10th of 639)

Based on 12,029 user benchmarks.  Device: VID 1058 PID 25ee Model: WD My Book 25EE
Poor: 20%Average: 62.8% Great: 98%

Above average average bench

The WD My Book 25EE 8TB averaged 37.1% 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 5.34MB/s
Avg. 4K-64Thread Write Speed 4.54MB/s

Very poor consistency

The range of scores (95th - 5th percentile) for the WD My Book 25EE 8TB is 78%. This is a particularly wide range which indicates that the WD My Book 25EE 8TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Read Speed 0.9MB/s
Avg. 4K Random Read Speed 2.05MB/s
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Average Bench

(Based on 12,029 samples)
Rank 1062.8%
Min Avg Max
30.6 Read 129 193
25.3 Write 134 199
26.4 Mixed 93.3 137
16.9 SusWrite 125 192
163% 120 MB/s
Min Avg Max
0.9 4K Read 2.05 3.9
2 4K Write 5.34 9.8
1 4K Mixed 1.24 1.7
232% 2.88 MB/s
Min Avg Max
0.7 DQ Read 0.9 1
4.2 DQ Write 4.54 5.08
1.62 DQ Mixed 1.95 2.2
224% 2.47 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
6.5TB free, PID 25ee
Operating at USB 3.1 Speed
SusWrite @10s intervals: 184 183 192 198 193 184 MB/s
83.4% Excellent
Read 180
Write 186
Mixed 127
SusWrite 189
232% 171 MB/s
4K Read 3.2
4K Write 5
4K Mixed 1.7
240% 3.3 MB/s
683GB free, PID 25ee
Operating at USB 3.1 Speed
SusWrite @10s intervals: 115 115 110 113 115 106 MB/s
60.9% Good
Read 151
Write 163
Mixed 102
SusWrite 112
177% 132 MB/s
4K Read 1.6
4K Write 4.6
4K Mixed 1.2
203% 2.47 MB/s
814GB free, PID 25ee
Operating at USB 3.0 Speed
SusWrite @10s intervals: 139 127 130 131 131 131 MB/s
56% Above average
Read 144
Write 152
Mixed 79.9
SusWrite 131
170% 127 MB/s
4K Read 1
4K Write 2
4K Mixed 1.3
116% 1.43 MB/s
546GB free, PID 25ee
Operating at USB 3.1 Speed
SusWrite @10s intervals: 93 98 96 100 94 92 MB/s
53.2% Above average
Read 114
Write 122
Mixed 92
SusWrite 95.7
143% 106 MB/s
4K Read 1.4
4K Write 5
4K Mixed 1.2
216% 2.53 MB/s
12,029 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.

 Comments

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