With Windows Media Center Edition 2005, the HP Pavilion A1319H is a desktop PC that's built for the diverse powers that multimedia requires. So whether you're writing papers, reasoning finance, editing digital photos, browsing the web or downloading MP3 and video files. With 2.93GHz fast processing power from an Intel Pentium 4 (517) processor with HyperThread, it speeds through complex tasks to optimize your productivity, creativity, and pleasure. Up to 56K Data and Fax modem with RJ11 connector Memory card reader supports the following cards - Compact Flash I; Compact Flash II; SmartMedia; Memory Stick; 1Memory Stick Pro; MMC; Secure Digital SD / MicroDrive / XD PictureCard (xd = extreme digital) Connectivity ports - Front - 9-in-1 (4 slot) + 1 USB / Firewire IEEE1394 One / USB Two / Headphone One / Line-in One / Microphone One // Rear - PS2 (keyboard, mouse) Two (one each) / VGA One / Parallel One / USB Four / 1394 One / LAN One / S-video out One / Audio (side speaker out, rear speaker out, center speaker out, line-in, line-out, microphone) One each Expansion slots (available) - PCI Three (Two available) / PCI Express x16 One (One available) / DIMM Slots Two (One available) Drive bays (available) - 5.25 external Two (One available) / 3.5 external Two (One available) / 3.5 internal One (None available) Operating System Microsoft Windows XP Media Center Edition 2005 with Update Rollup 2 and Microsoft Service Pack 2 Pre-Installed with hp and other utility and productivity software (some may be trial editions) HP Limited Warranty - Hardware parts and labor One Year from date of purchase / Technical telephone assistance One Year from date of purchase / Recovery CD's One Year (recommend use of CD Creator to make CD set) Monitor is not included