Sockel: LGA 775 for Intel® Core™ 2 Extreme / Core™ 2 Quad / Core™ 2 Duo / Pentium® Dual Core / Celeron®, supporting Penryn Quad Core Yorkfield and Dual Core Wolfdale processors, Supports FSB1600/1333/1066/800 MHz, Supports Hyper-Threading Technology, Supports Untied Overclocking Technology, Supports EM64T CPU Chipset: Northbridge: Intel® P43, Southbridge: Intel® ICH10R Form Factor: ATX Retail Busclock MHz FSB: 1600/1333/1066/800 Slots: PCI-e 16x-1x * PCI-e x1-3x * PCI-3x * HDMR-0 Speicher: Dual Channel DDR3 - 2 x DDR3 DIMM slots - Supports DDR3 1333/1066 non-ECC, un-buffered memory - Max. capacity: 4GB / Dual Channel DDR2 - 4 x DDR2 DIMM slots - Supports DDR2 1066/800/667 non-ECC, un-buffered memory - Max. capacity: 8GB DDR3 and DDR2 are supported separately. Due to the operating system limitation, the actual memory size may be less than 4GB for the reservation for system usage under Windows® XP and Windows® Vista™. For Windows® XP 64-bit and Windows® Vista™ 64-bit with 64-bit CPU, there is no such limitation. Features: VGA-n * Audio-ja (ALC888 7.1 HD) * ATA-133-bis 2x * S-ATA2-6x * eSATA2-1x * Raid-n * GLAN-ja * IEEE1394-n * USB 2.0-bis 10x +++ WICHTIG: bitte unbedingt die sogenannte "PNP Cap" ("Pick and Place Cap", Plastikkappe auf MB-Socket) aufheben !!! Hersteller nimmt sonst keine RMA für 775-Sockel-Mainboards an !!! +++