Compact & Durable: Sleek design with sturdy 0.8T steel construction and a 17.1-liter total volume High Airflow Design: Perforated front panel and pre-installed 80mm fan for optimal cooling 1 x USB 3.0, 1 x USB 2.0, 1 x 3.5mm Stereo AUX for easy device connections Case Form Factor: Micro ATX, Mini-ITX, DTX Max. GPU Length: 260mm Max. CPU Cooler Height: 137mm Max. PSU Length: 140mm PCI Expansion Slots: 4 Drive Bays: 2 x Combo (3.5' or 2.5') Fan Support: 1 x 80mm rear (included) I/O Ports: 1 x Power Button, 1 x Power LED, 1 x HDD LED, 1 x HD Audio, 1 x USB 3.0, 1 x USB 2.0