64-bit 6000 Pro Microtower Desktop Core 2 Duo Windows 7 Professional 2.6 Ghz 64-bit Core 2 Duo Intel Pentium Processor 4 GB RAM (2GB x 2) (Can Upgrade to 16GB) 160 GB Hard Drive Lightscribe CD-R/DVD-RW Optical Drive (Can burn CDs and DVDs) Microsoft Windows 7 Professional 64-bit