Zalman VF2000 LED Hybrid Quiet VGA/CPU Cooler     http://www.quietpcusa.com/Zalman-VF2000-LED-Hybrid-Quiet-VGA...     tags: megamac atiradeon1900xt Coolink GFXChilla Quiet Video Card Cooler     http://www.quietpcusa.com/Coolink-GFXChilla-Quiet-Video-Card...     tags: ati1900xt megamac Power Mac G5 (Late 2005) and Mac Pro: Graphics card compatib...     Graphic cards for Mac Pro (Original) NVIDIA GeForce 7300 GT ATI Radeon X1900 XT NVIDIA Quadro FX 4500 (part number 630-7532 or 630-7895) NVIDIA GeForce 8800 GT (part number 630-9492), offered as an upgrade kit. Note: The NVIDIA GeForce 8800 GT card requires at least Mac OS X v10.5.2 with the Leopard Graphics Update 1.0 or the computer may not start up properly.     http://support.apple.com/kb/HT2848     tags: osx macpro megamac