Dell Optiplex GX520 SFF /4GB/250GB/WINDOWS 7/ ?

HELLO BYERS THIS IS A DELL OPTIPLEX GX520 SMALL FORM FACTOR PC IT HAS BEEN UPGRADED AND REFURBISHED TO A HIGH STANDARD IT HAS WINDOWS 7 HOME PREMIUM OPERATING SYSTEM COMES WITH OFFICIAL INSTALL DISC 250GB HARD-DRIVE 4GB OF RAM AND A DVD REWRITER WHICH ALOT OF THESE DO NOT I HAVE ALSO REPLACED THE MAIN POWER BLOCK INSIDE WITH A BRAND NEW ONE ALL WORKING ORDER PLUS A WIRELESS KEYBOARD AND MOUSE ALL IN ONE I DO NOT HAVE A MONITOR BECAUSE I USED MY TV SCREEN BUT HAVE ALL THE WIRES NEEDED FOR A MONITOR ANY QUESTIONS PLEASE EMAIL ME THANK YOU