MSI Z77A-GD65. Supported memory types: DDR3-SDRAM, Memory channels support: dual, Memory voltage: 1.5 V. 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: 3.0. Width: 305 mm, Depth: 245 mm