64GB DDR5, 288-pin DIMM, 4800MHz, Registered (buffered)
Cisco UCSX-MRX64G2RE1=, 64 GB, DDR5, 4800 MHz, 288-pin DIMM
Cisco UCSX-MRX64G2RE1=. Internal memory: 64 GB, Internal memory type: DDR5, Memory clock speed: 4800 MHz, Memory form factor: 288-pin DIMM