Average Bench: 47.6% (25th of 639)

Based on 666 user benchmarks.  Device: VID 0bc2 PID 3322 Model: Seagate Expansion Desk
Poor: 15%Average: 47.6% Great: 70%

Below average average bench

The Seagate Expansion Desk 4TB averaged 52.3% 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 9.95MB/s
Avg. 4K Random Write Speed 2.64MB/s

Below average consistency

The range of scores (95th - 5th percentile) for the Seagate Expansion Desk 4TB is 55.6%. This is a relatively wide range which indicates that the Seagate Expansion Desk 4TB performs inconsistently under varying real world conditions.


Avg. 4K-64Thread Read Speed 0.77MB/s
Avg. 4K Random Read Speed 1.28MB/s

Average Bench

(Based on 666 samples)
Min Avg Max
26.5 Read 109 173
21.7 Write 96.4 158
15.8 Mixed 59.9 109
16.9 SusWrite 108 175
124% 93.3 MB/s
Min Avg Max
0.4 4K Read 1.28 5.92
1.25 4K Write 2.64 5.5
0.19 4K Mixed 0.62 0.9
116% 1.51 MB/s
Min Avg Max
0.3 DQ Read 0.77 1.43
9.2 DQ Write 9.95 10.6
0.59 DQ Mixed 0.87 1.2
371% 3.86 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
2.5TB free, PID 3322
Operating at USB 3.0 Speed
SusWrite @10s intervals: 157 157 159 159 159 160 MB/s
Read 148
Write 120
Mixed 75.8
SusWrite 158
167% 125 MB/s
4K Read 0.7
4K Write 1.7
4K Mixed 0.8
88% 1.07 MB/s
1TB free, PID 3322
Operating at USB 3.0 Speed
SusWrite @10s intervals: 100 107 107 105 108 107 MB/s
Read 51.2
Write 67.5
Mixed 53.7
SusWrite 106
100% 69.6 MB/s
4K Read 1.2
4K Write 4.8
4K Mixed 0.4
181% 2.13 MB/s
666 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.
  • - 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.
  • - Share your opinion by voting.
USB Flash Drive Rankings (Price vs Performance) June 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 i5-11400F $220Nvidia RTX 3070 $500Crucial MX500 250GB $45
Intel Core i5-11600K $259Nvidia RTX 3060-Ti $400Samsung 850 Evo 120GB $78
Intel Core i7-11700K $380Nvidia RTX 3080 $700Samsung 860 Evo 250GB $52
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $94SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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