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Google reuses DDR4 from retired servers for AI equipment amid memory shortage

Google is reusing older DDR4 memory recovered from decommissioned servers in newer AI equipment as a worsening supply crunch hits memory chips, driven by the spread of AI data centres. Google said it remains hard to secure enough chips and called faster capacity expansion by manufacturers the most sustainable solution. Meta and others are also extending older memory use via CXL, though performance limits remain. Researchers and companies forecast further price rises and prolonged shortages.