Supermicro X13SRA-TF Motherboard, Intel Xeon W-3400 series and Xeon W-2400 series processors, TDP up to 350W,Up to 2TB RDIMM 3DS, 512GB ECC RDIMM; DDR5-4800MT/s (1DPC)/4400MT/s (2DPC), Intel W790. - Newegg.com
Intel launches Xeon W3400/2400 workstaion CPUs with up to 56 cores, 112 PCIe Gen5 lanes and 8-channel DDR5 memory support - VideoCardz.com
Intel Demos Next-Gen Granite Rapids Xeon CPUs With DDR5-6400 Memory Support
Intel 5th Gen Xeon Performance Benchmarks With DDR5-4800 vs. DDR5-5600 Review - Phoronix
Intel Xeon Sapphire Rapids CPUs with DDR5 memory have been tested in AIDA64 : r/IntelArc
Micron DDR5 Delivers Increased Performance and Reliability for the 4th Gen Intel Xeon Scalable Processor Family - NCNONLINE