Next, check Enable write caching on the disk and Enable advanced performance as shown below.

On the Policies tab, select Optimize for performance.

Right click on the drive and select Properties.

Expand Disk drives and locate your external drive from the list.

In the window that opens, scroll down to USB settings >.

Click on Device Manager on the side menu. Control Panel > Power Options > Change plan settings > Change advanced power settings.

Click on the start button, then right click on Computer and select Manage.

This tweak is going to show you how to increase the performance of your external hard drives by turning write caching back on as well as activating advanced performance. But if you have a large hard drive that is in an external enclosure that you never disconnect from your computer, write caching is also disabled which can decrease performance.

WD - Blue 250GB SATA 2.5 Internal Solid State Drive PNY. This is a great feature for USB thumb drives that are frequently inserted and removed from your computer. Best Buy customers often prefer the following products when searching for hard drive with windows 7. Write caching is disabled so that you can safely remove the drive at almost any time. Windows Vista operates external hard drives that are connected with USB differently than internal drives.

External hard drive windows 7