SimpleTech is a leading worldwide manufacturer of DDR memory products, offering more than 2, 500 upgrades for the latest IBM systems. DDR memory upgrades can do two operations per clock cycle, making them twice as fast as SDRAM.This memory is designed for Lexmark E320 (08A0150), E322 (08A0200), E322n (08A0300), T520, T520d, T520dn, T520n, T522, T522dn, T522n, T620, T622, W820, W820n; Lexmark Optra C710, C710dn, C710n, C720, T 610, T 610n, T 612, T 612n, T 614, T 614n, T 614nl, T 616, T 616n. |