Gigabyte GA-Z77X-UD5H. Supported memory types: DDR3-SDRAM, Memory slots type: DIMM, Memory channels support: dual. Processor family: Intel, Compatible processor series: Core i3, Core i5, Core i7, Processor socket: Socket H2(1155). Audio output channels: 7.1, Audio system: Realtek ALC898. PCI Express slots version: 2.0, 3.0, PCI Express configurations: 1x4, 1x8, 1x16. Width: 305 mm, Depth: 244 mm