Specification Mfr Part Number: AN8 SLI CPU: Socket 939 AMD Athlon 64/ 64FX, 2000MHz Hyper Transport Tech Chipset: NVIDIA nForce 4 SLI Memory: 4 DDR 400 184-pin (Non-ECC) Up To 4 GB (Dual Channel) Slots: 2*PCI-Express x16, 2*PCI-Express x1, 2*PCI IDE: 2*Ultra DMA 33/66/100/133, 4*SATA II 3 Gbps, SATA RAID 0,1,0+1 Audio: 7.1 Channel Audio, Optical S/PDIF In/Out LAN: NVIDIA Gigabit Ethernet NVIDIA Firewall, uGuru, Q-OTES Ports: 7*USB 2.0; 2*IEEE 1394; 1*Floppy Up To 2.88MB; 2*PS/2; 1*RJ-45 LAN Form Factor: ATX Availability: Usually ships in 2-3 business days. Abit AN8 SLI Regular price: $166.95Sale price: $166.95 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): (+$24.89) No Thanks Latest Revision of Motherboard, with Updated Bios On Retail Box Motherboard & 1 yr Extended Warranty: (+$29.98) 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