Cisco S3260 M5 Barebone System - 4U Rack-mountable - 2 Number of Node(s) - 2 x Processor Support - DDR4 SDRAM DDR4-2666/PC4-21300 Maximum RAM Support - 12Gb/s SAS RAID Supported Controller - 56 3.5" Bay(s) - 2 x Total Expansion Slots - Processor Support (Xeon Platinum, Xeon Gold, Xeon Silver, Xeon Bronze) - 40 Gigabit Ethernet, Gigabit Ethernet: