The Sonnet Encore/ST G4 processor upgrade card can accelerate the performance of your Power Mac G4 with significant speed gains over your original processor! With an Encore/ST G4 installed ; your system will fully exploit todays industry-leading applications ; and will easily handle OS Xs increased processing demands. Designed with the maximum cache supported by the processor ; the Encore/ST G4 delivers the ultimate in processing power to your compatible computer for a small fraction of the pric