HP Pavilion A520N Desktop PC (2.2 GHz Athlon XP 3200+, 512 MB RAM, 160 GB Hard Drive, DVD+RW/CD-RW Combo) (Discontinued by Manufacturer) HP Pavilion A520N Desktop PC 2.2 GHz Athlon XP 3200+, 512 MB RAM 160 GB Hard Drive, DVD+RW/CD-RW Combo