Asrock H61M-GS. Memory channels support: dual, Maximum internal memory: 16 GB. Processor family: Intel, Compatible processor series: Core i3, Core i5, Core i7, Processor socket: Socket H2(1155). Audio output channels: 5.1, Audio system: HDAudio, Realtek ALC662. PCI Express slots version: 2.0. Width: 244 mm, Depth: 198 mm