Number of Memory Slots: 4×240pin Memory Standard: DDR3 2200(O.C.)/1600/1333/1066 Supports Intel Extreme Memory Profile (XMP) PCI Express 2.0 x16: 1 x PCI Express 2.0 x16 (single at x16) 1 x PCI Express 2.0 x16 (at x4 mode, 2.5GT/s) Onboard Video Chipset: None Audio Chipset: VIA VT1708S Max LAN Speed: 10/100/1000Mbps SATA 3Gb/s: 6 CPU Type: Core i7 (LGA1156)/i5 (LGA1156)