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Annex D, Raw Card D, in 288-Pin, 1.2 V (VDD), PC4-1600/PC4-1866/PC4-2133/PC4-2400/PC4-2666/PC4-3200 DDR4 SDRAM Registered DIMM Design Specification

Release Number: 30 		MODULE4.20.28.D Aug 2020

This specification defines the electrical and mechanical requirements for Raw Card D, 288-pin, 1.2 Volt (VDD), Registered, Double Data Rate, Synchronous DRAM Dual In-Line Memory Modules (DDR4 SDRAM RDIMMs). These DDR4 Registered DIMMs (RDIMMs) are intended for use as main memory when installed in PCs. Item 2149.08c

Committee(s): JC-45, JC-45.1

JESD21-C Solid State Memory Documents Main Page

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DDR5 Registered Dual Inline Memory Module with 8-bit ECC (EC8 RDIMM) Raw Card D Annex

Release Number: Version 2.00 		JESD305-R8-RCD Feb 2025

This standard, JESD305-R8-RCD, DDR5 Registered Dual Inline Memory Module with 8-bit ECC (EC8 RDIMM) Raw Card D Annex, defines the design detail of x8, 1 Package Rank DDR5 RDIMM with 8-bit ECC. The common feature of DDR5 RDIMM, such as the connector pinout, can be found in the JESD305, DDR5 Registered Dual Inline Memory Module (RDIMM) Common Standard.

Committee(s): JC-45, JC-45.1

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