8GB DDR4, 288-pin DIMM, 2133MHz, Registered (buffered)
Cisco UCS-MR-1X081RU-G, 8 GB, DDR4, 2133 MHz, 288-pin DIMM
Cisco UCS-MR-1X081RU-G. Internal memory: 8 GB, Internal memory type: DDR4, Memory clock speed: 2133 MHz, Memory form factor: 288-pin DIMM