Use this option for space-saving and hidden installation of external drives (HDD, optical drives) via up to 2 x USB 3.0 along the backside of the device.
+49 (0) 21 61 / 30 47 0-0 
info@mcd.de.com 
Konrad-Zuse-Ring 17 A/B, 41179 Moenchengladbach
