Dell - DDR4 - módulo - 64 GB - LRDIMM 288 clavijas - 2666 MHz / PC4-21300 - 1.2 V - Load-Reduced - ECC - Actualización - para PowerEdge C4130, C4140, C6420, FC430, FC830, M830, MX740, MX840, T630, Precision 7920