Roon Version 1.3,

Core: MacMini (Mid 2011) 2.5GHz, Intel Core i5, 8 GB, OS X 10.11.5 (El Capitan), External iTunes library on Seagate GoFlex 1TB external drive connected via Firewire

Remote: iMac (21.5-inch, Late 2012) 2.7 GHz Intel Core i5 8 GB 1600 MHz DDR3

Connected via ethernet.