imac 21.5 i5 8gb RAM -

Hi, I have my iMac 21.5 i5 Mid 2011 with 8gb of ram 2.5GHz Quad-Core Intel Core i5 1920 x 1080 resolution 8GB 500GB hard drive AMD Radeon HD 6750M with 512MB SuperDrive Airport Wireless Card New Thunderbolt Port OSX Lion 10.7.2 (11c74) Office 2011