Annex F, R/C F, 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

MODULE4.20.28.F

Published: Mar 2022

This specification defines the electrical and mechanical requirements for Raw Card F, 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 2241.11B

A list of RAND License Assurance/Disclosure Forms is available to JEDEC members on the restricted Members' website. Non-members may obtain individual Assurance/Disclosure forms by requesting them from the JEDEC office.

JESD21-C Solid State Memory Documents Main Page

Free download. Registration or required.

Document Information

Standards & Documents Assistance:

Published JEDEC documents on this website are self-service and searchable directly from the homepage by keyword or document number. 

Click here for website or account help.

To report potential errors or make suggestions for improvement to a published JEDEC standard, please use this form.  JEDEC does not accept requests for implementation assistance or interpretation of documents. For other inquiries related to standards & documents email Angie Steigleman.