Emachines ET1161-07 Athlon x2 3GB/320GB Vista Box Contents - eMachine ET1161-07 Desktop PC, Mouse, Keyboard, Software Bundle - Windows Vista Home Premium with Service Pack 1, AMD Athlon X2 Dual-Core 4050e 2.1 GHz Processor 1 MB L2 Cache, up to 2000MHz Bus speed 3072 MB DDR2 RAM Max - 8GB 320 GB (7200RPM, 8MB Cache) SATA II Hard Drive