ASRock Z170 OC FORMULA LGA1151 Intel Z170 DDR4 Quad CrossFireX Quad SLI SATA3 M.2 SATA Express USB3.1 ATX Motherboard LGA1151 and Intel Z170, also supports DDR4 4500+(OC) memory modules. Supports Full Spike Protection, ASRock Live Update & APP Shop 4 PCIe 3.0 x16, 1 PCIe 3.0 x1, 1 PCIe 2.0 x1, 1 Vertical Half-size mini-PCIe 3 SATA Express, 10 SATA3, 3 Ultra M.2 (PCIe Gen3 x4 & SATA3);it also supports SATA3 6Gb/s M.2 modules, and is compatible with ASRocks U.2 Kit for installing some of the worlds fastest U.2 PCIe Gen3 x4 SSDs. 2 USB 3.1 (1 Type-C & 1 Type-A), 8 USB 3.0 (4 Front, 4 Rear) 7.1 CH HD Audio with Content Protection (Realtek ALC1150 Audio Codec), Supports Purity Sound 3 & DTS Connect