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单词 Double Data Rate Random Access Memory
释义

Double Data Rate Random Access Memory

英语百科

DDR SDRAM

4 DDR slots
Corsair DDR-400 memory with heat spreaders
Comparison of memory modules for desktop PCs (DIMM).
Physical DDR layout

Double data rate synchronous dynamic random-access memory (DDR SDRAM) is a class of memory integrated circuits used in computers. DDR SDRAM, also called DDR1 SDRAM, has been superseded by DDR2 SDRAM, DDR3 SDRAM and DDR4 SDRAM. None of its successors are forward or backward compatible with DDR1 SDRAM, meaning DDR2, DDR3, and DDR4 memory modules will not work in DDR1-equipped motherboards, and vice versa.

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