HP 6005 Desktop PC. Get your business the HP 6005 Desktop PC. This PC has a 2.80GHz Dual Core processor with 8GB of DDR3 RAM to give you sufficient speed and memory to perform all your business related tasks. You can expand the RAM up to 16GB. It also has a 2TB HDD to store all your valuable data. It comes with Windows 7 Professional 64-bit pre-installed that runs all the popular business applications. 8 USB ports (2 Front and 6 Rear), Integrated Audio. Buy the HP 6005 Desktop PC today!