HDMI In: 1 VGA-in: 2 Component Input: shared with VGA-in S-Video: 1 Composite Input: 1 Intrare audio (3.5mm): 2 USB Type A : 1 (WiFi dongle, USB display) USB Type B: 1 (Firmware, mouse control) Mini USB: 1 (USB display) Microphone in (3.5mm): 1 (share with audio in 2)