Increase the maximum USB transfer size in Windows 7 and Windows Server 2008 R2

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The maximum USB transfer size for Windows 7 and Server 2008 R2 is 64 kilobytes.  You can increase this by downloading a hotfix from Microsoft (link).  This update provides an increase in the maximum USB transfer size.   This can greatly increase your performance on these computers!

To maximize the transfer, Type Regedit in the Searchbox

Navigate to the following key –

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\usbstor

Create a new key called – VVVVPPPP

Under usbstor key, create a new key  so the final path would be:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\usbstor\VVVVPPPP

Create a new DWORD value MaximumTransferLength

Double-click the new DWORD value, set Base to Decimal and set Value data to 2097120

Reboot

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About TCAT Shelbyville IT Department

The Tennessee College of Applied Technology - is one of 46 institutions in the Tennessee Board of Regents System, the seventh largest system of higher education in the nation. This system comprises six universities, fourteen community colleges, and twenty-six Applied Technology Colleges.
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One Response to Increase the maximum USB transfer size in Windows 7 and Windows Server 2008 R2

  1. Pingback: Get Your Windows Gadgets Back In Windows 8 « What's On My PC

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