Here are what Dell said about the Alienware Aurora and Aurora ALX Desktop PC: “The Aurora is most upgradeable and the Aurora ALX is the most powerful MicroATX desktops Alienware has ever created. Featuring the latest Intel® Coreâ„¢ i7 processors, including an optional Extreme Edition overclocked* to 3.6GHz, the Aurora line of desktops are designed to deliver the power needed for hardcore gaming, pro-level HD audio and video editing, 3D animation and more. To crank up your gaming performance, Aurora and Aurora ALX have options for dual 1GB ATI Radeon HD 5870 graphics cards, up to 24GB DDR3 1333MHz memory[asterisk] or 12GB DDR3 1600MHz memory, respectively, and up to 2TB of hard drive storage – all in a compact, MicroATX chassis for taking up less desk space. Prices start at $1,299 and additional technical specs are here.”