1GB SODIMM 200PIN DDR2 533MHZ/PC2 4200 NON ECC SimpleTech provides one of the most complete offerings of performance memory solutions in the industry, unsurpassed in quality, performance, and price. With over a decade of design and manufacturing expertise, SimpleTech knows what it takes to build quality and reliability into every memory solution. SimpleTech takes the complexity out of choosing the right solution for your system. With support for hundreds of desktop, notebook, workstation, server, and printer models, it offers thousands of memory upgrades made for your system.