This Dell Small Form Factor computer comes with an Intel Core 2 Duo 2.66GHz, 4096MB of DDR2 Memory, 320GB Hard Drive, DVD Rom Optical Drive, Microsoft Windows 7 Professional (32-bit) Operating System and 1 year Distributor Warranty. Buy this Desktop and you can Get Free Shipping on a Dell OptiPlex 760 SFF Computer Core 2 Duo 2.66GHz, 4GB Memory, 320GB HDD, DVD, Win 7 Professional - Refurbished for $224.99 at Rakuten.com!