Old memory in a new way: Meta’s Vistara ASIC will help deploy DDR4 from used servers in modern systems

▤ Summary

Meta is introducing Vistara, an ASIC designed to help modern systems use DDR4 memory reclaimed from older servers through CXL. The chip targets memory expansion and optimization, with support for DDR4-3200 ECC modules and CXL 1.1/2.0 Type 3 devices. This approach aims to reduce hardware waste and improve the economics of server memory reuse. The article frames the technology as part of Meta's broader infrastructure engineering work rather than a standalone software product release.

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