As the demand for memory bandwidth increase, so does the speed at which the standard memory Double Data Rate (DDR) interface must achieve. Future Dual In-line Memory Module (DIMM) connectors will be required to achieve higher speeds but current plated through-hole and press fit designs are unable to meet these requirements, due to the stub present in the termination at the board. Below is a high level diagram of the sources of stub in a standard DIMM connector.
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Norton, John and Bacchus, Reza, "Reduced Stub DIMM Pin Design", Technical Disclosure Commons, (March 27, 2018)