Exemplary embodiments include a socket interposer having a first plurality of connectors, at least one of on-board memory socket and a memory. The first plurality of connectors is configured to fit with a first form factor of a memory socket on a server board. The at least one on-board memory socket includes at least a second plurality of connectors and has a second form factor configured for a memory module having a first memory type. The memory has a second memory type different from the first memory type of the memory module.