A small outline dual inline memory module sodimm consists of a number of memory components usually black that are attached to a printed circuit board usually green sodimms get their name because they are smaller and thinner than regular dimms the gold pins on the bottom of the sodimm provide a connection between the module and a socket on a larger printed circuit board the pins on the front and back of a sodimm are not connected 200 pin sodimms are used to provide ddr and ddr2 sdram