CP2K32G4DFRA32A is the Crucial 64GB kit consisting of (2) 32GB DDR4 Pro desktop modules that operate at the speed of 3200MT\/s and has a CAS Latency of 22. It is a UDIMM and conforms to the industry standard DDR4 UDIMM layout of 288 pins. It is compatible with systems that can take DDR4-3200 UDIMM memory.