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2026-06-30
Meta fights soaring hardware costs by reusing old DDR4 server memory in new DDR5-only servers
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tomshardware.com 2026-06-30 Anton Shilov
Meta develops its custom Vistara CXL memory expander to use DDR4 memory with new servers running AMD EPYC 'Turin' processors.
DDR5 memoryDDR4 memoryCXL protocolASIC chipserver memory expansionmemory cost reductionsemiconductor technologydata center optimization