Crucial 64GB DDR4 SDRAM Memory Module - For PC/Server, Workstation - 64 GB (1 x 64GB) - DDR4-3200/PC4-25600 DDR4 SDRAM - 3200 MHz Dual-rank Memory - CL22 - 1.20 V - ECC - 288-pin - LRDIMM - 3 Year War