CT2K32G56C46S5 is the Crucial 64GB kit consisting of (2) 32GB laptop modules that operate at the speed of 5600MT/s and has a CAS latency of 46. It is a SODIMM and conforms to the industry standard DDR5 SODIMM layout of 262 pins. It is compatible with systems that can take DDR5-5600 SODIMM memory.