Specifications Microprocessor Intel® Pentium® 4 Processor 524 (#) with HT Technology (3.06GHz, 1MB L2 cache, 533MHz FSB) // Operating system Genuine Windows XP Media Center Edition // Cache 1MB Advanced Transfer Cache // Productivity & Finance Microsoft® Works 8.0, Microsoft® Money 2005 Standard, Adobe Acrobat Reader // Education & Reference Britannica Encyclopedia // Memory 256MB (1 x 256MB) DDR2, upgradeable to 2GB with discard Entertainment HP DVD Play, RealOne Player, Microsoft® Windows® Media Player 10 // Memory speed 533MHz // Total memory slots 2 DIMM // Available memory slots 1 DIMM // Hard drive 160GB SATA (7200 rpm) // Imaging HP Photosmart Premier // Digital video editing Sonic Digital Media Plus: RecordNow, Easy Archive, MyDVD Plus, Express Labeler; Muvee AutoProducer; Windows® Moviemaker 2.1 // CD-rewritable drive LightScribe Dual Layer 16X DVD±RW/±R: 16X DVD±R, 8X DVD+RW, 6X DVD-RW, 8X DVD+R DL, 4X DVD-R DL, 5X DVD-RAM; 16X DVD-ROM, 40X CD-R, 24X CD-RW, 40X CD-ROM // Internet & Online Microsoft® Internet Explorer // Service & Support 1 year (onsite) limited warranty with up-and-running phone support for first 30 days // Communication High speed 56K modem // Networking Integrated 10/100 BaseT network interface (Broadband Ready) // Video graphics Integrated ATI Radeon Xpress 200 HyperMemory Graphics // Video memory HyperMemory supporting up to 128MB* memory (*Graphics card uses part of the total system memory (RAM) for graphics performance. System memory dedicated to graphics performance is not available for other use by other programs.) Sound Integrated High Definition Audio - 7.1 Surround Sound Ready // Keyboard HP deluxe multimedia keyboard // Mouse PS/2 optical 2-button scroller mouse // Front access 3 x USB 2.0 ports, 1 x IEEE 1394 port, Microphone, Headphone and Line-in // Total expansion slots 1 PCI-Express, 3 PCI // Available slots 1 PCI-Express, 2 PCI // Total external ports 1 x Parallel port, 1 x SPDIF-Out port, 2 x IEEE 1394 ports, 7 x USB 2.0 ports, 2 x PS/2, LAN, S-Video-Out Available external ports 1 x Parallel port, 1 x SPDIF-Out port, 2 x IEEE 1394 ports, 7 x USB 2.0 ports, 2 x PS/2, LAN, S-Video-Out digital media reader 9-in-1 Digital Media Reader supporting: CompactFlash Type I/II, SmartMedia (SM), MultiMediaCard (MMC), Secure Digital (SD), Memory Stick/Memory Stick Pro (MS/MS PRO), IBM Micro Drive, xD Media // Total drive bays External - (2) 3.5", (2) 5.25"; Internal - (1) 3.5" // Available bays External - (1) 3.5", (1) 5.25"//