Average Bench: 81.4% (6th of 639)

Based on 1,435 user benchmarks.  Device: VID 0781 PID 5588 Model: SanDisk ExtremePro
Poor: 23%Average: 81.4% Great: 123%

Very good average bench

The SanDisk Extreme Pro USB 3.0 128GB averaged just 18.6% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the SanDisk Extreme Pro USB 3.0 128GB near the top of the comparison list.


Avg. 4K-64Thread Write Speed 12MB/s
Avg. 4K-64Thread Mixed IO Speed 9.39MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the SanDisk Extreme Pro USB 3.0 128GB is 100%. This is a particularly wide range which indicates that the SanDisk Extreme Pro USB 3.0 128GB performs inconsistently under varying real world conditions.


Avg. Sequential Mixed IO Speed 46.6MB/s
Avg. 4K Random Read Speed 8.63MB/s

Average Bench

(Based on 1,435 samples)
Min Avg Max
25.7 Read 162 251
7.99 Write 98.9 215
2 Mixed 46.6 122
11.3 SusWrite 128 229
137% 109 MB/s
Min Avg Max
2.89 4K Read 8.63 12.4
1.1 4K Write 9.12 11.7
3.4 4K Mixed 7.01 8.8
581% 8.25 MB/s
Min Avg Max
8.8 DQ Read 10.9 12.8
10.5 DQ Write 12 12.7
7.5 DQ Mixed 9.39 10.6
768% 10.8 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest USB (mainstream) averages a speed of 100%
60GB free, PID 5588
Operating at USB 3.0 Speed
SusWrite @10s intervals: 205 217 230 225 229 227 MB/s
Read 244
Write 208
Mixed 66
SusWrite 222
240% 185 MB/s
4K Read 10
4K Write 10.9
4K Mixed 7.6
666% 9.5 MB/s
DQ Read 11.4
DQ Write 12.2
DQ Mixed 10.1
801% 11.2 MB/s
1,435 MORE »


If you buy via one of these links, our site may earn a commission.

BHPhotoUS $605 years
AmazonUS $1502 mins
Send price feedback
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) March 2023 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.


Added n/a ago.


3 years ago.

isse achha toh 500 GB ki SSD na le lu BC.


22 months ago.

got it for 5 years and still totally satisfied great product


2 years ago.

Best speeds for xfering data on a thumb drive.


24 months ago.

does what it says on the box :D

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 i5-13600K $315Nvidia RTX 3060-Ti $420Crucial MX500 250GB $31
Intel Core i5-12600K $194Nvidia RTX 3060 $365Samsung 850 Evo 120GB $106
Intel Core i5-12400F $155Nvidia RTX 4070-Ti $830Samsung 860 Evo 250GB $50
Seagate Barracuda 1TB (2016) $34Corsair Vengeance LPX DDR4 3200 C16 2x8GB $43SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $30Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $381SanDisk Ultra Fit 32GB $16
Today's hottest deals
About  •  User Guide  •  FAQs  •  Email  •  Privacy  •  Developer  •  YouTube Feedback