Mfr Part Number: P5AD2-E PREMIUM CPU: Socket775 Supports Intel LGA775 Processors; FSB 1066/800/533MHz Chipset: Intel 925XE+ICH6R Memory: 4*240-pin DIMMs Support DDRII(711/533) Upto 4GB (Dual Channel) Slots: 1* PCI Express X16, 2* PCI Express X1, 3* PCI Audio: C-meida9880 Audio 8-channel Codec LAN: **Dual** Marvell PCI-EX 88E8053 Gigabit LAN Controller; WIFI-G Storage/RAID: ICH6R South Bridge: 1*ATA100+4*SATA With Raid 0,1 Support Silicon Image 3114R: 4*SATA With JBOD,RAID 0,1,10,5(RAID 5 S/w Patch) ITE IDE RAID Controller: 2* ATA133 With JBOD,RAID 0,1,0+1 Support I/O: Max. 8*USB2.0; 1*1394a/2*1394b Form Factor: ATX Package: Retail **Wireless LAN On Board** Availability: Usually ships in 2-3 business days. Asus P5AD2-E PremiumRegular price: $229.95Sale price: $209.95 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