Whether you prefer the ultra-compact 12-inch model, the coveted 15-inch powerhouse or the high-resolution 17-inch stunner, every new PowerBook G4 features faster PowerPC G4 processors with speeds topping the charts at 1.67GHz. Want power to burn? The new PowerBook models offer 8x SuperDrives. And each PowerBook comes standard with 512MB of memory and a 5400-rpm hard disk drive.