Average Bench: 57.4% (18th of 639)

Based on 11,489 user benchmarks.  Device: VID 1058 PID 25ee Model: WD My Book 25EE
Poor: 19%Average: 57.4% Great: 101%

Average average bench

The WD My Book 25EE 4TB averaged 42.6% 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 11.2MB/s
Avg. 4K Random Write Speed 4.27MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the WD My Book 25EE 4TB is 81.7%. This is a particularly wide range which indicates that the WD My Book 25EE 4TB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Read Speed 0.6MB/s
Avg. 4K Random Read Speed 3.05MB/s
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Average Bench

(Based on 11,489 samples)
Min Avg Max
32.8 Read 121 187
30.8 Write 119 174
27.2 Mixed 86.7 126
28.1 SusWrite 119 175
151% 111 MB/s
Min Avg Max
0.6 4K Read 3.05 16.9
1.7 4K Write 4.27 11.5
0.7 4K Mixed 0.97 1.1
189% 2.76 MB/s
Min Avg Max
0.49 DQ Read 0.6 0.7
9.85 DQ Write 11.2 12.1
0.6 DQ Mixed 0.91 1.2
413% 4.23 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
3TB free, PID 25ee
Operating at USB 3.0 Speed
SusWrite @10s intervals: 169 164 169 170 169 170 MB/s
Read 152
Write 159
Mixed 127
SusWrite 168
208% 152 MB/s
4K Read 1
4K Write 2.6
4K Mixed 1.1
130% 1.57 MB/s
2TB free, PID 25ee
Operating at USB 3.1 Speed
SusWrite @10s intervals: 128 128 128 128 129 128 MB/s
Read 130
Write 128
Mixed 108
SusWrite 128
168% 124 MB/s
4K Read 1.1
4K Write 2.5
4K Mixed 1.1
126% 1.57 MB/s
12GB free, PID 25ee
Operating at USB 3.1 Speed
SusWrite @10s intervals: 115 161 131 101 142 134 MB/s
Read 122
Write 120
Mixed 99.5
SusWrite 130
161% 118 MB/s
4K Read 0.7
4K Write 2.4
4K Mixed 0.8
111% 1.3 MB/s
173GB free, PID 25ee
Operating at USB 3.0 Speed
SusWrite @10s intervals: 80 81 80 79 80 80 MB/s
Read 168
Write 161
Mixed 117
SusWrite 79.9
172% 132 MB/s
4K Read 1.1
4K Write 2.8
4K Mixed 1
133% 1.63 MB/s
3TB free, PID 25ee
Operating at USB 3.1 Speed
SusWrite @10s intervals: 42 42 44 34 41 43 MB/s
Read 154
Write 64.8
Mixed 46
SusWrite 41.1
86% 76.4 MB/s
4K Read 1.1
4K Write 2.9
4K Mixed 1
137% 1.67 MB/s
51GB free, PID 25ee
Operating at USB 3.1 Speed
SusWrite @10s intervals: 84 84 84 84 84 84 MB/s
Read 78.7
Write 78.2
Mixed 70.9
SusWrite 84.1
107% 78 MB/s
4K Read 1
4K Write 2.5
4K Mixed 1
123% 1.5 MB/s
3.5TB free, PID 25ee
Operating at USB 2.1 Speed
SusWrite @10s intervals: 28 37 37 37 37 37 MB/s
Read 35.8
Write 37.1
Mixed 30.2
SusWrite 35.4
47% 34.6 MB/s
4K Read 0.6
4K Write 2.7
4K Mixed 0.8
121% 1.37 MB/s
11,489 MORE »
How Fast Is Your USB? (Bench your build) Size up your PC in less than a minute.

Welcome to our freeware PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best upgrades.

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USB Flash Drive Rankings (Price vs Performance) September 2021 USB Rankings.

We highlight the best USB flash drive in terms of balanced performance and value for money using current prices, sequential read, sequential write , 4k read and 4k write speed. The speeds are combined to form a single effective speed which measures performance for tasks such as copying photos, music and videos. Effective speed is adjusted by current price and capacity to yield value for money. Finally thousands of individual user ratings are used to validate our benchmark figures. [USBFlashPro]

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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.

 Comments

639 Drives (Compared) Thousands of user benchmarks compiled into one comparison list.

See how consistently different USBs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

 Frequently Asked Questions

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CPUGPUSSD
Intel Core i5-11600K $270Nvidia RTX 3060-Ti $400Crucial MX500 250GB $45
Intel Core i5-11400F $260Nvidia RTX 3070 $500Samsung 850 Evo 120GB $183
Intel Core i7-11700K $346Nvidia GTX 1660S (Super) $240Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $78SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $77SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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