HP Pavilion a6600f desktop includes a variety of features that make taking and sharing digital pictures easier than ever. Every HP Pavilion a6600f PC gives you the tools to make working with digital photos and video clips fun and convenient. Organize, edit, share and protect your digital photos with HP Photosmart Essential. The front-panel 15-in-1 memory card reader makes it easy to transfer photos and files to and from your digital camera and other peripheral devices. The SuperMulti DVD burner with LightScribe technology lets you create custom, silkscreen-quality labels and artwork directly onto LightScribe-enabled CD and DVD discs. The 64-bit edition of Windows Vista Home Premium with service pack 1 is for serious computer users who have advanced high-performance needs. This latest edition brings together Windows Vista innovation with cutting-edge PC hardware to deliver access to vast amounts of memory, stronger security, and a new level of reliability. NVIDIA GeForce 7100 Graphics LightScribe 16x DVD+-R/RW SATA Drive with Double Layer High Definition Audio, 8 speaker configurable 10/100 BaseT Ethernet LAN 15-in-1 card reader Front ports - 2 x USB, IEEE 1394, Headphone, Microphone Back ports - 4 x USB, IEEE 1394, 2 x PS2 ports (keyboard, mouse), Audio (side speaker out, rear speaker out, center speaker out, line-in, line-out, microphone), SPDIF In/Out, RJ-45 (LAN), RJ-11 (Modem), VGA, DVI Expansion slots - PCI (occupied), 2 x PCI Express x1 (one available), PCI Express x16 (two available) Drive bays - 2 x 5.25 (one available), 3 x 3.5 (two available) Monitor is not included