Other World Computing (OWC) has expanded its Mercury Extreme line with a 700MHz G4 processor upgrade that’s available immediately for US$199.99.
The Mercury Extreme processor upgrades are compatible with Power Mac G4 AGP-equipped models (350MHz to 1GHz) and act as replacements to the stock Apple G4 daughtercard. They don’t occupy a separate PCI or AGP slot. The upgrades feature 256Kb of 1:1 L2 cache on-chip and 2MB of high-speed L3 cache.
The Mercury Extreme line is compatible with Mac OS X (including Panther) and Mac OS 9.2 or higher.