DDR5 Unbuffered Dual Inline Memory Module (UDIMM) Common Standard


Published: Jan 2024

This standard defines the electrical and mechanical requirements for 288-pin, 1.1 V (VDD), Unbuffered, Double Data Rate, Synchronous DRAM Dual In-Line Memory Modules (DDR5 SDRAM UDIMMs). These DDR5 Unbuffered DIMMs (UDIMMs) are intended for use as main memory when installed in Computers.

Committee(s): JC-45, JC-45.3

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