946GZ : Supports FSB 800/533 Prescott-2M/Smithfield, Cedarmill, Presler and Conroe, 2 DIMMs up to 4GB max, Dual Channel DDR2-533/667, Intel Graphics (Vista, Dedicated VGA port, ADD2 video out)

946PL : Supports FSB 800/533 Prescott-2M/Smithfield, Cedarmill, Presler and Conroe, 2 DIMMs up to 4GB max, Dual Channel DDR2-533/667, PCI Express x16 slot

946 1 Intel 946 Chipsets Support 800FSB Conroe

946 2 Intel 946 Chipsets Support 800FSB Conroe

946GZ : Supports FSB 800/533 Prescott-2M/Smithfield, Cedarmill, Presler and Conroe, 2 DIMMs up to 4GB max, Dual Channel DDR2-533/667, Intel Graphics (Vista, Dedicated VGA port, ADD2 video out)

946PL : Supports FSB 800/533 Prescott-2M/Smithfield, Cedarmill, Presler and Conroe, 2 DIMMs up to 4GB max, Dual Channel DDR2-533/667, PCI Express x16 slot