Cisco Barebone System – Refurbished – 4U Rack-mountable – 4 x Processor Support – Intel C621 Chip – 18 TB DDR4 SDRAM DDR4-2933/PC4-23466 Maximum RAM Support – 48 Total Memory Slots – Serial ATA RAID Supported, Serial Attached SCSI (SAS) Controller – 256 MB Graphic(s) – Network (RJ-45) – Processor Support (Xeon Platinum, Xeon Gold, Xeon Silver, Xeon Bronze) – 10 Gigabit Ethernet, Gigabit Ethernet – Intel Optane Memory Ready – 3 USB 3.0 Port(s) – 1600 W – 3 Year