1x HDMI port, supports a maximum resolution of 4096x2160 @ 30Hz. 1x 24-pin ATX main power connector. 1x 8-pin ATX 12V power connector. 1x 4-pin ATX 12V power connector. ATX Form Factor. 6x USB 2.0 ports (2 Type-A ports on the back panel, 4 ports through the internal USB 2.0 connectors).