This annex JESD309-S0-RCC, DDR5 Small Outline Dual Inline Memory Module (SODIMM) Raw Card C Annex defines the design detail of x16, 1 Package Ranks DDR5 SODIMM. The common feature of DDR5 SODIMM such as the connector pinout can be found in the JESD309, DDR5 Small Outline Dual Inline Memory Module (SODIMM) Common Standard.