Summary: Focused on expansion, the Veriton M460 offers high performance and numerous ways to customize, giving you the power to grow your business. This highly manageable system has a range of Intel processors from which to choose, up to 4 GB of DDR2 RAM, a 500 GB Serial ATA hard disk, and great expansion options to ensure that the Veriton M460 can accommodate any business task. The Acer Veriton M460-UD4500C Desktop features 1 GB of RAM, 80 GB Hard Drive and an Intel GMA 3100 graphics controller to speed your applications along. Features: Processor: Intel Core 2 Duo E4500 2.2 GHz . RAM: 1 GB (installed) / 4 GB (max) . Hard Drive: 80 GB . Optical Storage: DVD-ROM. Graphics Controller: Intel GMA 3100 . Networking: Network adapter, Ethernet, Fast Ethernet, Gigabit Ethernet . OS: Microsoft Windows Vista Business / XP Professional downgrade. Warranty: 1 Year Limited . Not Included: Monitor .