Apricorn DVR Expander II 2 TB for DirecTV Dual eSATA / USB 2.0 Interface DVR Expansion System ADTVE2-2000, Black 2 TB 2 TB, 7200 RPM Hard Drive Instantly add up to 1124 hrs of your favorite programs to your DirecTV DVR Sturdy aluminum enclosure with heat sink for optimal heat dissipation even in cramped TV cabinets Dual interface - Connects via DVR eSATA or USB 2.0 port DVR/PVR Upgrade Hard drive