4GB DDR5, 288-pin DIMM, 4800MHz, Registered (buffered)
Micron MTC40F2046S1RC48BA1, 4 GB, DDR5, 4800 MHz, 288-pin DIMM
Micron MTC40F2046S1RC48BA1. Internal memory: 4 GB, Internal memory type: DDR5, Memory clock speed: 4800 MHz, Memory form factor: 288-pin DIMM, CAS latency: 40