The case specification Factor of Form Mid-Tower Material: Mesh front motherboard supporting aluminum steel 12" x 10.7" Mini-ITX Micro-ATX ATX E-ATX support Maximum Length of GPU: 41.2 cm Internal 2.5" Bays 2 Bays Internal 3.5" Bays 2 Bays 7+2 Slots for Expansion One 140mm fan is included. Interface for I/O USB 3.0 x 2 USB 2.0 x 2 audio input and output (HD audio supported)