Asus Z97-A Desktop Motherboard - Intel Z97 Express Chipset - Socket H3 LGA-1150 Number of Memory Slots: 4 PCI Express x16: 3 x PCI Express x16 Max LAN Speed: Yes CPU Type: Celeron Core i7 Core i3 Core i5 Pentium Xeon Maximum Memory Supported: 32GB Audio Channels: 7.1 Channels DisplayPort: 1 x DisplayPort USB 1.1/2.0: 6 x USB 2.0