Dell OptiPlex 380 Desktop Computer Tower w/ Pentium Dual Core E5800 3.2 GHz Processor, Windows 7 Professional Operating System, 4 GB RAM, 250 GB Hard Drive, and 16X DVD+/-RW Drive Pentium Dual Core E5800/3.2GHz,2M,800FSB 4GB,Non-ECC,1333MHz DDR3,1X4GB 250GB SATA 3.0Gb/s and 8MB Data Burst Cache Windows 7 Professional, 16X DVD+/-RW SATA Next Business Day Parts and Labor Onsite Response 3 Year Extended Warranty