Expansion card lets you insert 512GB of extra DDR5 memory into your PCIe slot — CXL 2.0 AIC designed for TRX50 and W790 workstation motherboards from Latest from Tom's Hardware on 2025-09-05 16:46 (#6ZTM9) Gigabyte launches the AI Top CXL R5X4 add-in-card to expand the amount of memory on the brand's TRX50 AI Top and W790 AI Top motherboards.
