Intel Desktop Board DG43RK  Classic Series Supports the intel Core2 Quadand intel Core2 duo processors:Features quad-core and dual-coreprocessing with 1333 / 1066 / 800 MHzsystem bus in the LGA775 package Intel G43 Express Chipset featuring intel Graphics Media Accelerator X450 Dual-Channel ddr3 with four connectors for 13333, 4 / 1066 / 800 MHz memory support (8 Gb5 max): FourDIMM connectors designed to supportthe latest DDR3 technology. Four SAtA ports (3.0 Gb/s):Facilitate high-speed storage and datatransfers at up to 3.0 Gb/s for each offour ports PCi Express* 2.0 x16 graphics connector: Delivers up to 8 GB/sbandwidth