Get from Amazon.com : http://www.amazon.com/gp/product/B001QWTZA2?tag=hawaiianlegac-20

Brand 500GB Hard Disk Drive/HDD for Compaq Presario C300 C500 C571NR C700 C712NR C714NR CQ40

INTERFACESATA CAPACITY500GB RPM5400RPM CACHE8MB SIZE25Inchs
This product has 5 Years Warranty and 30 Days Money Back Guarantee
PACKAGE INCLUDES 500 GB NEW HARD DRIVE