PowerLogix has announced two new CPU cards for Power Mac G4s. The first CPU card, the PowerForce G4 ’47, features a 7447A G4 processor running at speeds of up to 1.7 GHz. The second CPU, the PowerForce G4 ’57, features a PowerPC 7457 G4 running at a bus speed of 100MHz and includes 2Mb of L3 cache per CPU. Both cards feature an Independent Power Supply Circuit and VRM Bypass Circuitry (useful for G4 Cube owners). The PowerForce G4 ’47 also features Universal Design, Automatic Clock Speed, and Real Time Temperature Monitoring. The PowerForce G4 ’47 will be available in approximately 3 weeks in 1.2, 1.4, and 1.7 GHz models with both single and dual processors, while the PowerForce G4’57 will be available in about 1 week in 1.2 and 1.4 GHz single and dual models.