Intel Media DH67CL Desktop Motherboard - Intel H67 Express Chipset - Socket H2 LGA-1155 - 10 x Bulk Pack Number of Memory Slots: 4 PCI Express x16: 1 x PCI Express x16 Max LAN Speed: Yes CPU Type: Core i7 Core i3 Core i5 Maximum Memory Supported: 32GB PCI Slots: 3 x PCI Slots Audio Channels: 7.1 Channels USB 1.1/2.0: 8 x USB 2.0