Asrock LGA1151 Z170 PRO4S – Supports 6th Generation Intel Core Processors (Socket 1151), Digi Power, 10 Power Phase Design, Supports DDR4 3866 (OC) memory modules, 2 PCIe 3.0 x16, 3 PCIe 3.0 x1, AMD Quad CrossFireX , CrossFireX , Graphics Output Options: DVI-D, HDMI, 7.1 CH HD Audio (Realtek ALC892 Audio Codec), ELNA Audio Caps, 2 SATA Express, 6 SATA3, 1 Ultra M.2 (PCIe Gen3 x4 SATA3), 8 USB 3.0 (2 Front, 6 Rear), Supports Full Spike Protection, ASRock Live Update APP Shop