Video Cards For Power Mac G5
PowerMac G5 Video Card. PowerMac G5 Video Cards. PowerMac G5 Single & Dual Processor Video Card 2003 - Late 2005. 661-2921 Power Mac G5 FX 5200 64MB AGP (DVI/ADC. A stock PC card will not work in a Mac without re-flashing the firmware to a Mac-compatible version. Your second question was if it was worth buying such a card. The primary motivation for a high-end graphics card in an AGP-based G5 would be gaming (as no pro-level Quadro etc cards were ever available for those computers).