Hard disk drives from Sun Microsystems provide the performance, reliability and overall high quality required in today's computing environment at competitive prices. Sun invests significant resources into qualifying and integrating these devices into Sun workstations, servers and disk arrays. This means that Sun customers get the very best mass storage value and an opportunity to add larger capacity drives or incorporate the latest technology.Sun offers this optional 40-GB IDE 7200-rpm internal hard drive for Netra X1 500-MHz only.