PowerLogix reduces prices on G4 upgrades mactech 21 years ago PowerLogix today announced lower pricing on its PowerForce G4 Single and Dual CPU upgrades. New pricing is as follows: Share this: PowerLogix drops CPU upgrade pricesApril 8, 2004powerlogixPowerLogix reduces prices on G4 processor upgradesSeptember 8, 2005powerforcePowerLogix intros 1.1GHz G3 upgrade, cuts G4 pricesJuly 1, 2004powerlogix