Buy it with confidence... You can see it run Perfectly, before you buy it This listing is for the refurbished tower only. hp pro 3500 series desktop computer. these are very quick and very quiet. reformatted harddrive and a new install of windows 7 pro 64 bit. its activated and updated. Specs: Case; Black mid tower Power supply; 300 watt Motherboard; Foxcon 2ABF Graphics; onboard ; Intel HD Graphics with 2108mb memory for VGA & DVI Cpu; Intel G860 processor 3.0ghz x2 dual core cpu Ram; 8gb dual channel ddr3 10700 memory. Lan; Gigabite Wifi; Includes a single channel 802.11n wifi usb adapter on the2.4ghz network. upgrade to dual channel wifi 2.4ghz & 5.0ghz network for 20 more. Bluetooth : If you need bluetooth, I can add it for 10 more. Optical; dvd rw drive Front audio and 2 usb ports, Rear has 4 usb ports Harddrive; 500gb sata 7200rpm. If you need a larger hard drive, Upgrade to 750gb is 40 more Operating system; reformatted harddrive and fresh install of windows 7 pro 64 bit. Its activated and updated. you can have windows 10 pro 64 bit. 30 dollars more Software; Office 2007, Microsoft pinball , Live Aquarium Screensaver + more This listing is for the tower only. No keyboard, mouse, monitor, speakers, power cord, If you need any of these items. Ask about availability. If I have, very reasonable. Check my other listing for more great deals. I have more available desktop and laptop computers. The best way to contact me is through text first, phone or email. Thank you for looking, Rob