TEST
YOUR USB

WD (ExtHD)

My Book 25EE 12TB

▲ 500 ▼

Release date ≈ Q4 2019.

Average Bench: 77.1% (6th of 639)

Based on 624 user benchmarks.  Device: VID 1058 PID 25ee Model: WD My Book 25EE
Poor: 23%Average: 77.1% Great: 103%

Good average bench

The WD My Book 25EE 12TB averaged 22.8% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the WD My Book 25EE 12TB near the top of the comparison list.

Strengths

Avg. 4K Random Write Speed 7.48MB/s
Avg. 4K-64Thread Write Speed 6.01MB/s

Very poor consistency

The range of scores (95th - 5th percentile) for the WD My Book 25EE 12TB is 79.9%. This is a particularly wide range which indicates that the WD My Book 25EE 12TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Read Speed 0.64MB/s
Avg. 4K Random Read Speed 7.32MB/s
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Average Bench

(Based on 624 samples)
Rank 677.1%
Min Avg Max
37 Read 145 197
36.2 Write 151 204
31.2 Mixed 118 160
26.4 SusWrite 144 201
190% 139 MB/s
Min Avg Max
0.8 4K Read 7.32 17.4
3.4 4K Write 7.48 10.6
0.8 4K Mixed 1.08 1.6
319% 5.3 MB/s
Min Avg Max
0.4 DQ Read 0.64 0.8
4.7 DQ Write 6.01 7.2
1.1 DQ Mixed 1.35 1.6
253% 2.67 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest USB (mainstream) averages a speed of 100%
8.5TB free, PID 25ee
Operating at USB 3.1 Speed
SusWrite @10s intervals: 183 178 181 179 174 174 MB/s
96.7% Outstanding
Read 181
Write 191
Mixed 121
SusWrite 178
227% 168 MB/s
4K Read 4.2
4K Write 10
4K Mixed 1
390% 5.07 MB/s
DQ Read 0.6
DQ Write 5.6
DQ Mixed 1.2
234% 2.47 MB/s
935GB free, PID 25ee
Operating at USB 3.1 Speed
SusWrite @10s intervals: 110 109 110 109 109 108 MB/s
84.9% Excellent
Read 199
Write 201
Mixed 154
SusWrite 109
220% 166 MB/s
4K Read 20.5
4K Write 8.9
4K Mixed 1
413% 10.1 MB/s
DQ Read 0.7
DQ Write 6.4
DQ Mixed 1.4
268% 2.83 MB/s
3TB free, PID 25ee
Operating at USB 3.1 Speed
SusWrite @10s intervals: 136 131 131 130 133 135 MB/s
80.2% Excellent
Read 136
Write 148
Mixed 104
SusWrite 133
177% 130 MB/s
4K Read 4.4
4K Write 9.9
4K Mixed 0.9
384% 5.07 MB/s
DQ Read 0.6
DQ Write 5.6
DQ Mixed 1.2
234% 2.47 MB/s
624 MORE »
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Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.

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