Z87-PRO Motherboard supports Intel Socket 1150 for 4th Generation Core i7/Core i5/Core i3/Pentium/ Celeron Processors Intel 22 nm CPU Intel Turbo Boost Technology 2.0; Intel Z87 Chipset; 4 x DIMM Max. 32GB DDR3 3000(O.C.)/2933(O.C.)/2800(O.C.)/2666(O.C.)/2600(O.C.)/2500(O.C.)/2400(O.C.)/2200(O.C.)/2133(O.C.)/2000(O.C.)/1866(O.C.)/1800(O.C.)/1600/1333 MHz Non-ECC Un-buffered Memory Dual Channel Memory Architecture; Integrated Graphics Processor Multi-VGA output support: HDMI/DVI-D/RGB/DisplayPort 1.2 ports; Supports NVIDIA Quad-GPU SLI AMD Quad-GPU CrossFireX and AMD 3-Way CrossFixeX Technology; 2 x PCIe 3.0/2.0 x16 (x16 or dual x8) 1 x PCIe 2.0 x16 (x4 mode) 4 x PCIe 2.0 x1; Intel Z87 Chipset; Intel I217V 1 x Gigabit LAN Controller Intel LAN- Dual interconnect between the Integrated LAN controller and Physical Layer (PHY); Wi-Fi 802.11 a/b/g/n; Realtek ALC1150 8-Channel High Definition Audio CODEC; ATX Form Factor 12" x 9.6" (30.5 cm x 24.4 cm).