Asrock Z77 Extreme4-M. Memory slots type: DIMM, Supported memory types: DDR3-SDRAM, Memory channels support: dual. Processor family: Intel, Processor socket: Socket H2(1155), Processors compatible: Core i3, Core i5, Core i7. Audio system: Realtek ALC898, Audio output channels: 7.1. PCI Express slots version: 2.0, 3.0, PCI Express configurations: 1x16, 1x4, 2x8. Width: 244 mm, Depth: 244 mm