DDR4 DIMM Sockets Molex DDR4 DIMM Sockets are ideal for the latest generation of DDR/SDRAM in DIMM format. DDR4 products offer a 100% increase in speed, 30% increase in density, and 20% decrease in required voltage compared to other DDR/SDRAM offerings. These DIMM sockets support UDIMM, RDIMM, and LRDIMM memory applications over a wide range of high-speed data, computing, telecommunication, and networking servers with a data speed of 3.2 billion transfers per second.