For sale is a Radius ThunderPower 30/1600 Graphics Card for PCI Power Macintosh systems. A super high end graphics card released in 1997 by Radius, allowing resolutions of up to 1600 x 1200 at a 30-bit color resolution ("ChromaFlow 30-bit Technology"), full QuickColor Graphic Acceleration, a 96-bit data path, hardware accelerated Pan & Zoom, supporting both horizontal and vertical sync, and sync on green.