HP Compaq 8100 Elite Pro SFF Desktop Computer PC core i5-750 2.66Ghz - 4GB - 320GB - 320 GB HDD - ATI Radeon HD 4550- Windows 7 Professional – RefurbishedPC
Refurbished: Dell 2U819 Motherboard For Dimension 4550 - Newegg.com
7120036200G - ATI Radeon HD 4550 256MB PCI Express x16 Dual Head Video Graphics Card