DELL OPTIPLEX RED- FAST Duel Core 3.00GHz 2.5Gb Ram Windows 7 ?

Dell Optiplex Red VERY FAST DESKTOP OR GAMING PC CPU: Fast Dual Core 3.00GHz Intel Processor RAM: 2.5GB DDR2 RAM (up to 4GB) O/S: Windows 7 GPU: Nvidia GeForce 7600 PCI-E x16 (recently had GTX 480 installed) CON: Amazing Condition SEE FIRST PHOTO FOR SPEC THANKS FOR LOOKING ANY QUESTIONS CALL OR TXT ME ON 07795540411 THANK YOU!