Socket INTEL S2011-3

GigaByte X299-UD4

S2066-3, iX299, 8*DDR4 (Up to 128 Gb), 5*PCI-E16x , 8 SATA III 6Gb/s,  2xM.2 SATA PCI-E (up to 32Gb/s), 2xUSB3.1 Type A,  6xUSB 3.0  RAID0,1,5,10, Intel Gaming LAN chips , S/PDIF Out,, PS/2, Support for 3-Way/2-Way AMD CrossFireX™/NVIDIA 3-Way/2-Way SLI technology, 120dB SNR ALC1220, FullATX