<P>Simple Technology is one of the leaders in proprietary memory module design for laptops, notebooks, subnotebooks, and other portable computers. We do more than manufacture our own memory - we design it from the ground up. The result is memory that meets the performance requirements of your system. This is a 256MB memory module for the HP Vectra VL402 series. Every Simple Technology branded memory product is individually tested before stocking to guarantee reliability and compatibility with your system. </P>