DDR5
From Amazon
Kingston FURY Renegade Pro PnP 256GB 4800MT/s DDR5 ECC Reg CL36 DIMM Memory Overclockable ECC registered DIMMKit of 8 - KF548R36RBK8-256
Technoworld PLC
Kingston Technology FURY 256GB 4800MT/s DDR5 ECC Reg CL36 DIMM (Kit of 8) Renegade Pro PnP KF548R36RBK8-256