Microsoft has released a new hotfix update (KB 2581464) for Windows 7 and Windows Server 2008 to boost the performance of USB storage devices. This hotfix enables you to increase the maximum transfer size of a USB storage device from the default 64KB to 2MB, which will increase the performance of some USB devices.

Here is how to install the hotfix.

Important: Since this requires small changes in the registry, back-up the registry first to avoid any risk.

Boost USB Storage Performance in Win 7

1. First, download the hotfix (KB 2581464) and install it.

2. Click Start and type regedit in the Search box, and then press Enter.

3. Navigate to:
HKEY_LOCAL_MACHINE – SYSTEM – CurrentControlSet – Control – usbstor – VVVVPPPP.

4. If the VVVVPPPP key is not there, create a new key under ‘usbstor’ (see screenshot above)

5. Click Edit menu, point to New, and then click DWORDValue.

6. Type MaximumTransferLength, and then press Enter.

7. Click Edit menu, and then click Modify. Select Decimal and type a value between 65535 (64KB) and 2097120 (2MB).

Exit Registry Editor and restart your PC.

Get more details and download from Microsoft Support center.

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Kannan is a computer and Android enthusiast, a blogger by passion and a tech freak. His always ready-to-help attitude, knowledge and hard work is what drives him.