Acer APFH-EP8200P Desktop PC (Intel Pentium D Processor 820, 512 MB RAM, 160 GB Hard Drive, Double Layer DVD Drive) (Discontinued by Manufacturer) Business/home office desktop with 2.8 GHz Intel Pentium D 820 dual-core processor 160 GB hard drive, 512 MB RAM (2 GB max), multi-format/dual-layer DVD drive Eight USB 2.0, one Serial, one Parallel, one VGA, two PS/2, six surround sound audio outputs Intel Graphics Media Accelerator 3000, Gigabit Ethernet (10/100/1000) Windows XP Professional edition; Windows Vista capable