Specification Mfr Part Number: 7125-010 (K8N NEO4 PLATINUM) CPU: Socket939 Supports Athlon 64/64FX Up To 3800+/FX 55 0r Higher Chipset: nVidia nForce4 Ultra Memory: 4* DIMMs Support ECC/Non-ECC Unbuffer DDR400/333/266 Upto 4GB(Dual) IDE/SATA: 2* ATA133 + 4*SATA 3GB/s RAID: NV RAID- RAID 0,1,0+1 And JBOD Span Cross SATA And PATA Silicon Image - 4*SATA Support RAID 0 Or 1,RAID 5,RAID 10,JOBD Slot: 1* PCI-Express X16; 1* PCI-Express X1; 1* PCI-Express X4; 4* PCI LAN: 1* Marvell 88E1111 Phy Gigabit LAN + 1* Marvell 88E8053 Gigabit LAN Audio: Realtek ALC850 7.1 Channel Codec Ports: Max. 8*USB2.0; 2*IEEE1394(VIA6306) Form Factor: ATX Availability: Usually ships in 2-3 business days. MSI K8N Neo4 Regular price: $141.95Sale price: $134.95 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