PC Gamer
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Meta's solution to the global memory shortage is to use DDR4 in a DDR5 server, with a custom chip making the…
Meta has developed a custom chip named Vistara, utilizing Compute Express Link (CXL) technology, to integrate slower DDR4 memory modules into servers designed for DDR5. This solution allows Meta to expand server memory capacity beyond DDR5 limitations, using DDR4 for 'cold storage' of less frequently accessed data, effectively increasing total system memory to 1 TB per node.
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