GIGABYTE R183, Intel C741, LGA 4677 (Socket E), Intel, Intel® Xeon®, Intel Xeon Scalable 4th Gen, DDR4-SDRAM GIGABYTE R183. Motherboard chipset: Intel C741, Processor socket: LGA 4677 (Socket E), Processor manufacturer: Intel. Supported memory types: DDR4-SDRAM, Supported DIMM module capacities: 16GB, 32GB, 64GB, 128GB, Supported RDIMM clock speeds: 2933,3200 MHz. Storage drive sizes supported: 2.5". On-board graphics card model: Aspeed AST2500. Ethernet interface type: Gigabit Ethernet, Ethernet LAN data rates: 10,100,1000 Mbit/s, LAN controller: Intel® I350-AM2