CPU socket: Support for Intel Core i7 processors in the LGA2011-3 package Chipset: Intel X99 Express Chipset Memory DIMMs:4 x DDR4 DIMM sockets supporting up to 32 GB of system memory DDR4 3333(O.C.) / 3200(O.C.) / 3000(O.C.) / 2800(O.C.) / 2666(O.C.) / 2400(O.C.) / 2133 MHz memory modules 2 x PCI Express x16 slots, running at x16; 2 x PCI Express x16 slots, running at x8; 3 x PCI Express x1 slots Support for 4-Way/3-Way/2-Way AMD Crossfire/NVIDIA SLI technology 1 x M.2 PCIe connector; 1 x SATA Express connector; 10 x SATA 6Gb/s connectors 1 x Thunderbolt add-in card connector1 x OC Panel connector (for future expansion)1 x power button1 x reset button1 x Clear CMOS button1 x CPU mode switch1 x OC Trigger switch1 x Dual BIOS switch1 x BIOS switch Voltage Measurement Points