6TB DVRdaddy External DVR Hard Drive Expander For DirecTV HR34, HR44 and HR54 Genie DVR. +6,000 Hours Recording Capacity and! Easy Do it Yourself instructions are provided. *DVR unit not Included. .Customers should be using eSATA cable and not USB cable Great 2 Year Warranty by Manufacturer and DVRdaddy.com 100% Money Back Guarantee When connected, this unit takes the place of your internal hard drive. If you want to play programs already stored on your internal hard drive, you must unplug the external drive and restart your DIRECTV receiver. Simple Plug and Play Installation - no tools required. No need to open up DVR unit. Increase Video Recording Capacity +6,000 standard hours of recording capacity.