Marvell Unveils second-generation Structera X, which are industry-first Six-channel CXL 3.2 Memory Expanders for AI Inference. Second-generation Marvell® Structera™ X 3406 and 3506 CXL 3.2 memory expanders add six DDR4/DDR5 channels (50% more than the prior generation) and PCIe Gen 6 connectivity, supporting up to 9TB of DDR4 or 6TB of DDR5 per controller.