Product Detail Inspiron 400 Inspiron Zino HD - 1.6GHz AMD Athlon 2650e Processor 4GB DDR2 at 800MHz Memory, 8X DVD+/-RW Drive 500GB 7200RPM Hard Drive, Integrated 2.1 High Definition Audio Integrated ATI Radeon HD3200 Graphics Genuine Windows 7 Home Premium (64-bit) . The "Dell Inspiron Zino HD Formula Red Desktop PC - Windows 7 Home Premium, 1.6GHz AMD Athlon 2650e Processor, 4GB DDR2 Memory, 500GB Hard Drive, ATI Radeon HD3200 Graphics, 8X DVD+/-RW Drive" is best product for you. We recommended Dell Inspiron Zino HD Formula Red Desktop PC - Windows 7 Home Premium, 1.6GHz AMD Athlon 2650e Processor, 4GB DDR2 Memory, 500GB Hard Drive, ATI Radeon HD3200 Graphics, 8X DVD+/-RW Drive