Dell OptiPlex 755 uSFF Recertified PC - Intel Core 2 Duo E6550 2.3GHz, 2GB, 80GB, CD-RW, Win 7 Home Premium 32-Bit Dell OptiPlex 755 uSFF Recertified PC - Intel Core 2 Duo E6550 2.3GHz, 2GB, 80GB, CD-RW, Win 7 Home Premium 32-Bit