ASRock Rack X570D4U Memory Upgrade

The ASRock Rack X570D4U supports 4 slots of upgradable memory, with a maximum capacity of 128GB. It is compatible with our modules for high-performance operation. NEMIX RAM memory upgrades for the ASRock Rack X570D4U are backed by a lifetime replacement warranty.
Our modules are manufactured using top-tier components from leading
suppliers such as Samsung, Micron, and Hynix, ensuring compliance with
industry standards like JEDEC and CE requirements.

System Memory:
4 DIMM slots, Supports DDR4-3200 ECC*/non-ECC UDIMMs (*For AMD Ryzen Desktop Processors with Radeon Graphics, ECC support is only with Processors with PRO technologies). Install the maxixmum of 128GB of memory upgrades using four NEMIX RAM 32GB UDIMM modules.
The ASRock Rack X570D4U supports AMD Ryzen™ 5000, 4000 and 3000 G-Series Desktop Processors with Radeon™ Graphics, AMD Ryzen™ 5000 and 3000 Series Desktop Processors & AMD Ryzen™ PRO 5000, 4000 and 3000 Series Desktop Processors with Single Socket AM4.