Cisco HyperFlex Express Barebone System - 2U Rack-mountable - 2 x Processor Support - Intel C621A Chip - 2 TB DDR4 SDRAM DDR4-3200/PC4-25600 Maximum RAM Support - 32.0 Total Memory Slots - 12Gb/s SAS Controller - Matrox G200e 8 MB Graphic(s) - 24 2.5" Bay(s) - Network (RJ-45) - Processor Support (Xeon Gold, Xeon Silver, Xeon Bronze, Xeon Platinum) - 10 Gigabit Ethernet, Gigabit Ethernet - Windows Server 2019 Datacenter, Windows Server 2019 Standard Supported Operating System - Intel Optane :