Product Detail 2.93G 2GB 250GB DVDRW WIN7 PRO . The "Lenovo ThinkCentre M58 7639 - Tower - 1 x Core 2 Duo E7500 / 2.93 GHz - RAM 2 GB - HDD 1 x 250 GB - DVD-Writer - GMA 4500 - Gigabit Ethernet - Windows 7 Pro - Monitor : none - GMP - Microsoft Office Ready" is best product for you. We recommended Lenovo ThinkCentre M58 7639 - Tower - 1 x Core 2 Duo E7500 / 2.93 GHz - RAM 2 GB - HDD 1 x 250 GB - DVD-Writer - GMA 4500 - Gigabit Ethernet - Windows 7 Pro - Monitor : none - GMP - Microsoft Office Ready