Acer Computer AX1700-U3700A Desktop PC (2.4 GHz Intel&reg; Pentium&reg; Dual-Core Processor E2220, 4 GB RAM, 640 GB Hard Drive, SuperMulti DL DVD Drive, Vista Home Premium) Contents - Desktop PC, Acer USB Keyboard, USB Optical Mouse, USB Amplified Stereo Speakers Software Bundle - Windows Vista Home Premium 64-Bit Edition, Microsoft Works 9.0SE, Microsoft Office Home and Student Edition 2007 60-Day Trial McAfee Internet Security Suite 2008 60-Day Subscription, 1-Year Limited Warranty Intel Pentium Dual-Core E2220 2.4 GHz Processor; 1 MB L2 Cache, 800 MHz Front Side Bus 4096 MB DDR2 RAM (Maximum Capacity); 640 GB (7200RPM) SATA Hard Drive