HP ProLiant SL390s G7, Intel® 5520, Socket B (LGA 1366), Intel, 3.6 GHz, Intel® Xeon®, E5500, E5600, L5600, X5600 HP ProLiant SL390s G7. Motherboard chipset: Intel® 5520, Processor socket: Socket B (LGA 1366), Processor family: Intel. Supported DIMM module capacities: 16GB, 4GB, Maximum RDIMM memory: 192 GB, Maximum UDIMM memory: 48 GB. Storage drive sizes supported: 2.5", Supported storage drive interfaces: Serial Attached SCSI (SAS), Serial ATA, Storage controller: HP Smart Array B110i. Maximum graphics card memory: 64 MB. Ethernet interface type: Fast Ethernet, Gigabit Ethernet, Ethernet LAN data rates: 10,100,1000 Mbit/s, Copper ethernet cabling technology: 1000BASE-T, 1000BASE-TX, 100BASE-TX, 10BASE-T