You can combine your normal eSATA port and the power from a USB port into an eSATAp output with this Monoprice cable
Simply plug the eSATA connector into an eSATA port on your computer
And the USB connector into a USB port and you can use your eSATAp device

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 1.97 inch
Height : 0.55 inch
Length : 6.38 inch

Item Weight: 2.4 ounce (View shipping rates and policies)
Shipping Weight: 2.4 ounce (View shipping rates and policies)

ASIN : B009GUP5C8