cxl

Meta developed a custom CXL bridge chip (Vistara) to reuse older DIMMs in new servers, addressing memory shortages and reducing costs without significant performance loss.

Meta is reusing legacy DDR4 server memory in new DDR5-only servers by developing a custom CXL 2.0 chip that bridges the two memory types, reducing hardware costs.

XCENA, a chip startup founded by Samsung and SK Hynix veterans, raised $135M to develop a memory-centric chip that handles AI inference tasks near DRAM, reducing costly data transfers between CPUs and GPUs. The company's MX1 chip is expected to improve efficiency and reduce infrastructure costs.