Asrock H61DE/S3. Memory channels support: dual, Supported memory clock speeds: 1066, 1333 MHz, 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: 7.1, Audio system: Realtek ALC887. PCI Express slots version: 2.0. Width: 305 mm, Depth: 218 mm