ASRock Z170M Extreme4 BIOS 1.40 ASRock Super Alloy Supports 6th Generation Intel® Core™ Processors (Socket 1151) Supports DDR4 3466+(OC) 3 PCIe 3.0 x16, 1 PCIe 3.0 x1 Supports AMD Quad CrossFireX™, NVIDIA® Quad SLI™ Graphics Output Options: DVI-D, HDMI 7.1 CH HD Audio (Realtek ALC1150 Audio Codec), Supports Purity Sound™3 & DTS Connect 6 SATA3, 1 Ultra M.2 (PCIe Gen3 x4 & SATA3) 2 USB 3.1 10Gb/s (1 Type-A + 1 Type-C), 6 USB 3.0 (2 Front, 4 Rear) Supports Full Spike Protection, ASRock Live Update & APP Shop