Number of Memory Slots: 4×240pin Memory Standard: DDR3 2200(O.C.) / 2133(O.C.) / 1866(O.C.) / 1600 / 1333 / 1066 PCI Express 2.0 x16: 2 (x16, x4) Onboard Video Chipset: None Audio Chipset: Realtek ALC892 Max LAN Speed: 10/100/1000Mbps SATA 3Gb/s: 4 CPU Type: Core i7 / i5 / i3 (LGA1155)