Other World Computing (OWC) today introduced the Mercury G4/450-533MHz ZIF upgrade with 1MB L2 Cache for the Apple Power Mac G3 Beige, G3 Blue & White and G4 “Yikes” models. This new model replaces OWC’s G4/450MHz, G4/500MHz and G4/533MHz models. According to OWC, the US$149.99 upgrade uses a high-temperature Motorola G4/450MHz processor that is tested and guaranteed for safe, reliable operation of up to 533MHz in all Power Mac G3 Beige models (Desktop, Minitower and All-In-One) and G4/500MHz operation in all Power Mac G3 Blue & White and G4 “Yikes” PCI models.