Average Bench: 70% (7th of 639)

Based on 1,624 user benchmarks.  Device: VID 1058 PID 25a3 Model: WD Elements 25A3
Poor: 24%Average: 70% Great: 102%

Good average bench

The WD Elements 25A3 6TB averaged 29.9% 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-64Thread Write Speed 9.62MB/s
Avg. 4K Random Write Speed 6.73MB/s

Very poor consistency

The range of scores (95th - 5th percentile) for the WD Elements 25A3 6TB is 78.3%. This is a particularly wide range which indicates that the WD Elements 25A3 6TB performs inconsistently under varying real world conditions.


Avg. 4K-64Thread Read Speed 0.42MB/s
Avg. 4K-64Thread Mixed IO Speed 0.62MB/s

Average Bench

(Based on 1,624 samples)
Min Avg Max
32.8 Read 136 197
28.4 Write 122 177
26.8 Mixed 88.1 126
27.2 SusWrite 129 181
159% 119 MB/s
Min Avg Max
0.8 4K Read 6.01 20
2.2 4K Write 6.73 11.9
0.5 4K Mixed 0.82 1.1
279% 4.52 MB/s
Min Avg Max
0.3 DQ Read 0.42 0.6
8.5 DQ Write 9.62 11.9
0.4 DQ Mixed 0.62 0.8
350% 3.55 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
5TB free, PID 25a3
Operating at USB 3.1 Speed
SusWrite @10s intervals: 175 173 175 172 173 171 MB/s
Read 184
Write 168
Mixed 121
SusWrite 173
217% 162 MB/s
4K Read 4
4K Write 9.3
4K Mixed 0.8
358% 4.7 MB/s
DQ Read 0.4
DQ Write 8.6
DQ Mixed 0.7
318% 3.23 MB/s
1TB free, PID 25a3
Operating at USB 3.1 Speed
SusWrite @10s intervals: 112 111 111 111 110 111 MB/s
Read 145
Write 132
Mixed 93.3
SusWrite 111
159% 120 MB/s
4K Read 7.9
4K Write 12
4K Mixed 0.9
468% 6.93 MB/s
DQ Read 0.5
DQ Write 8.4
DQ Mixed 0.7
311% 3.2 MB/s
1,624 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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How it works

  • - Download and run UserBenchMark.
  • - CPU tests include: integer, floating and string.
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  • - RAM tests include: single/multi core bandwidth and latency.
  • - Reports are generated and presented on userbenchmark.com.
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
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  • - Explore your best upgrade options with a virtual PC build.
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USB Flash Drive Rankings (Price vs Performance) August 2020 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 i5-9600K $180Nvidia GTX 1660S (Super) $230Crucial MX500 250GB $43
Intel Core i5-9400F $151Nvidia GTX 1650S (Super) $170Samsung 850 Evo 120GB $78
Intel Core i7-9700K $328Nvidia RTX 2070S (Super) $510Samsung 860 Evo 250GB $47
Seagate Barracuda 1TB (2016) $42Corsair Vengeance LPX DDR4 3200 C16 2x8GB $60SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $34Corsair Vengeance LPX DDR4 3000 C15 2x8GB $69SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $681SanDisk Extreme 16GB $24
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