The eMachines ET1831-01 Desktop PC delivers great performance and expansion possibilities with the eMachines quality and price you expect. With a reliable Intel Celeron 420 1.6GHz processor, 3GB of DDR2 memory, and the new Windows 7 Professional operating system. With all this plus great media features, you have everything you need to email, explore the Internet, create photo albums, and manage finances with ease. This desktop PC also features NVIDIA GeForce 7050 integrated graphics, bringing best-in-class performance for the latest applications or some light gaming. A 16x PCI-Express slot is also available for when you wish to upgrade to your favorite brand of graphics card.