SimpleTech 512MB PC4200 DDR Memory Since 1990 SimpleTech has provided quality memory products to OEMs, resellers, distributors and end users. SimpleTech is well known for its engineering expertise and manufacturing capabilities. We produce leading edge memory products that meet the highest quality industry standards. Testing is a vital part of memory production. That's why we test every module, every chip and every component to insure operability and functionality before it ever leaves our factory. SimpleTech incorporates the latest test systems as technology moves toward faster, smaller technology.