IOGEAR GTD720 Thunderbolt 2 Docking Station Compatibility: Thunderbolt enabled computers The following Mac models are Thunderbolt 2 capable: MacBook Pro (Retina, Late 2013 and later) Mac Pro (Late 2013) iMac (Retina 5K, 27-inch, Late 2014) Mac mini (Late 2014) Ports Spec: Audio Input: Optical Line-In Audio Output: Optical Line-Out Computer Side: Thunderbolt Port 12V 6.5A Full Range Power Adapter 3 x USB3.0 Data Port ; 1 x 5V 1.5A Fast Charging Port Video Output: HDMI and Mini DP (Thunderbolt) Weight: 3.25