Mfr Part Number: P4P800S-X CPU: Socket 478 Supports P4 / Celeron Up To 3.6GHz+(Prescott) FSB: 800/533/400MHz Chipset: Intel 848P/ICH5 Chipset Memory: 2 x DIMMs For DDR400/333/266 Up To 2GB; Single Channel IDE: 2 x ATA100 + 2 x Serial ATA(ICH5) Audio: ADI AD1888 Soundmax 6-Channel Audio Codec LAN: Realek RTL8101l 10/100 LAN Slot: 1 x AGP(8x); 4 x PCI Max 8 x USB2.0 Form Factor: ATX Availability: Usually ships in 2-3 business days. Asus P4P800S-XRegular price: $86.95Sale price: $66.95 Pretest - Standard Prestest (Avoids Costly RMAs): (+$9.89)No Thanks Pretest - Perform Complete Pretest (Includes: Hardware-Software Diagnostics, Burn-In and Updates) Software Diagnostics, Burn-In and Updates): (+$19.89) No Thanks Latest Revision of Motherboard, with Updated Bios On Retail Box Motherboard & 1 yr Extended Warranty: (+$24.98) No Thanks Software Promotion: Windows XP Home Edition(+$99.95)Windows XP Pro(+$154.95)WINDOWS 2000 PRO(+$151.95)No Thanks for Offer Warranty Upgrade: 60 Days Motherboard/Processor(+$9.49)1 Year Motherboard/Processor(+$14.25)2 Year Motherboard/Processor(+$19.98)No Thanks 30 Days Is Fine Expedite Shipping:: Ship in next 24 working hours (+$4.99)No