Get from Amazon.com : http://www.amazon.com/gp/product/B001QWRWDO?tag=hawaiianlegac-20
Brand 500GB Hard Disk Drive/HDD for Acer Aspire 5051 5315-2940 5520-5043 5520-5912 5620 5650
Interface SATA Capacity 500GB RPM 5400RPM Cache 8MB Size 25 Inchs
Package Include 500GB 5400RPM Hard Disk Drive
This Product Has 3 Years Warranty And 14 Days Money Back Guarantee