Average Bench: 71.7% (7th of 639)

Based on 1,062 user benchmarks.  Device: VID 1058 PID 25ee Model: WD My Book 25EE
Poor: 23%Average: 71.7% Great: 99%

Good average bench

The WD My Book 25EE 10TB averaged 28.2% 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.


Avg. 4K Random Write Speed 6.35MB/s
Avg. 4K-64Thread Write Speed 5.57MB/s

Very poor consistency

The range of scores (95th - 5th percentile) for the WD My Book 25EE 10TB is 76.2%. This is a particularly wide range which indicates that the WD My Book 25EE 10TB performs inconsistently under varying real world conditions.


Avg. 4K-64Thread Read Speed 0.59MB/s
Avg. 4K Random Read Speed 2.47MB/s

Average Bench

(Based on 1,062 samples)
Min Avg Max
34 Read 143 201
31.5 Write 149 208
29.4 Mixed 104 139
25.6 SusWrite 142 201
182% 134 MB/s
Min Avg Max
0.8 4K Read 2.47 3.8
2.86 4K Write 6.35 9.7
0.8 4K Mixed 1.06 1.4
261% 3.29 MB/s
Min Avg Max
0.4 DQ Read 0.59 0.7
4.82 DQ Write 5.57 6.4
1.2 DQ Mixed 1.43 1.7
240% 2.53 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 3.1 Speed
SusWrite @10s intervals: 147 149 148 147 152 149 MB/s
Read 174
Write 181
Mixed 130
SusWrite 148
213% 158 MB/s
4K Read 3.3
4K Write 9.1
4K Mixed 0.8
349% 4.4 MB/s
DQ Read 0.4
DQ Write 5.4
DQ Mixed 1.4
233% 2.4 MB/s
5TB free, PID 25ee
Operating at USB 3.1 Speed
SusWrite @10s intervals: 122 122 115 114 114 115 MB/s
Read 170
Write 184
Mixed 119
SusWrite 117
197% 148 MB/s
4K Read 2.8
4K Write 7.1
4K Mixed 1
286% 3.63 MB/s
3TB free, PID 25ee
Operating at USB 3.1 Speed
SusWrite @10s intervals: 153 154 156 157 150 151 MB/s
Read 160
Write 170
Mixed 106
SusWrite 154
199% 147 MB/s
4K Read 1.8
4K Write 4.9
4K Mixed 1.2
214% 2.63 MB/s
1,062 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.

UserBenchmark of the month

How it works

  • - Download and run UserBenchMark.
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write, sustained write and mixed IO.
  • - RAM tests include: single/multi core bandwidth and latency.
  • - SkillBench (space shooter) tests user input accuracy.
  • - Reports are generated and presented on userbenchmark.com.
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
  • - Compare your components to the current market leaders.
  • - Explore your best upgrade options with a virtual PC build.
  • - Compare your in-game FPS to other users with your hardware.
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]


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.


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

 Best User Rated

The Best.
Intel Core i5-11600K $270Nvidia RTX 3060-Ti $400Crucial MX500 250GB $44
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
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3200 C16 2x8GB $74SanDisk 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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