GIGABYTE X299 UD4 Pro, Intel, LGA 2066 (Socket R4), Intel® Core™ X-series, DDR4-SDRAM, 128 GB, DIMM GIGABYTE X299 UD4 Pro. Processor manufacturer: Intel, Processor socket: LGA 2066 (Socket R4), Compatible processor series: Intel® Core™ X-series. Supported memory types: DDR4-SDRAM, Maximum internal memory: 128 GB, Memory slots type: DIMM. RAID levels: 0, 1, 5, 10. Parallel processing technology support: 2-Way CrossFireX, 2-Way SLI, 3-Way CrossFireX, 3-Way SLI, Quad-GPU CrossFireX, Quad-GPU SLI. Ethernet interface type: Gigabit Ethernet