Acer Power APFHEP6310C Desktop PC (Intel Pentium 4 Processor, 512 MB RAM, 80 GB Hard Drive, DVD+/-RW Drive, Vista Business) (Discontinued by Manufacturer) Business/home office desktop with 3.4 GHz Intel hyper-threading Intel Pentium 4 651 processor 80 GB hard drive, 512 RAM, multi-format/dual-layer DVD drive Six 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) Pre-installed with Windows Vista Business