DRAM - What is the difference between a SIMM and a DIMM? - A
SIMM (Single In-Line Memory Module) has a single line of
connectors. Connectors on each side of the Board are the same.
SIMMs are now obsolete. - A DIMM (Dual In-Line Memory Module)
has 2 lines of connectors. Connectors on each side of the board
are not connected. The most popular types of DIMM are DDR, DDR2
and DDR3