Supermicro Server Chassis CSE-101I Mini-ITX Chassis support for max. motherboard size -6.75" x 6.75" (Mini-ITX) Supports single Intel Core or Intel Atom processor Drive Bays:1x 2.5" Internal HDD Tray I/O Ports: 2x USB 2.0 Ports, 2x Audio Jacks Cooling System: 1x 6cm 4-pin High Performance Cooling Fan