Meta fights soaring hardware costs by reusing old DDR4 server memory in new DDR5-only servers — custom CXL 2.0 chip marries legacy DDR4-2400 with cutting-edge DDR5-6400
Summary
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.
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