Gaurav Jaiswal

Speed Up USB Transfer Speed To Maximum In Windows 7


Do you find your USB transfer rate on Windows 7 too slow ?

How to increase the transfer speed of your USB drive, especially when you’re backing up a huge amount of files which takes hours. Good news, Microsoft has release a new hotfix to fix the slow transfer speed of USB flash drives and hard disk.
This fix introduces a new feature that enables you to update the maximum transfer size of USB storage devices in Windows 7 or in Windows Server 2008 R2. After you install this update, you can increase the maximum transfer size from 64 kilobytes (KB) to 2 megabytes (MB) in the Usbstor.sys driver. First, you’ll have to download the hotfix from the official website.





  • Step 1 – Click on start orb
  • Step 2 – Type ‘Regedit’
  • Step 3 – Select the ‘regedit.exe’, navigate to ‘HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\usbstor\’. You’ll see a list of random numbers and alphabets. These are all the USB devices plugged into your computer previously.



  • Step 4 – Select one of the folder, click on ‘Edit’ and then ‘New’
  • Step 5 – Choose ‘DWORDValue’

  • Step 6 – Type ‘MaximumTransferLength’ and create the new string, double click on the newly created string.
  • Step 7 –  In the Value data box, type a value to specify the maximum transfer size between 64KB and 2MB. For example, you select Decimal and type a value between 65535 (64K) and 2097120 (2M) .
  • Step 8 -  Exit Registry Editor.

Restart the computer and changes are made now! Try connecting USB Pendrive or something and you will notice changes immediately when transferring file.

The hotfix is compatible with Windows 7 & Windows 2008 R2 (32 as well as 64 bit operating system).






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