Hynix 32GB PC4-23400 DDR4-2933MHz ECC Registered CL21 288-Pin DIMM 1.2V Dual Rank Memory Module The module is a DDR4 SDRAM with a capacity of 32GB. It has a clock speed of 2933 MHz and operates at a voltage of 1.2V. The module is designed to fit into a 288-pin RDIMM slot and features ECC (Error Correction Code) for added reliability