Intel R2224GZ4GCSAS. Processor socket: Socket R (2011), Processor family: Intel, Processors compatible: Xeon. Maximum internal memory: 768 GB, Supported memory types: DDR3-SDRAM, Maximum RDIMM memory: 768 GB. Supported hard disk drive interfaces: SAS, Serial ATA, Serial ATA II, Supported hard disk drive sizes: 63.5 mm (2.5 "). Networking features: Gigabit Ethernet, Ethernet LAN data transfer rates: 10, 100, 1000 Mbit/s. Form factor: 2U