Ati 4870 User Manual Amazon.com: ATI Radeon HD 4870 Graphics Upgrade Kit for Apple Mac Pro: First of all the photos in the installation instructions were such poor quality that it. ATI® Radeon® HD 4870. PCI Express & PCI Express 2.0 support. HDMI 1.3 Output: built-in multi-channel 7.1 surround audio over DVI-HDMI Adaptor. The ATI Radeon™ HD 4800 series is a graphics accelerator card. Computer functions like disk access and numerical calculation are not accelerated by the ATI Radeon™ HD 4800 series. It is not unusual to obtain an overall system speed increase of 2 times for graphics-heavy applications after installing the ATI Radeon™ HD 4800 series. Mac Systems Apple Mac Pro Also see: Power Mac G5. The Mac Pro replaced Apple's flagship Power Macintosh line. The Power Macintosh G5 also may be of interest. Complete Mac Pro technical specs are below. For answers to questions about Mac Pro models with 'traditional' tower cases (dual optical drives, model numbers A1186 and A1289), see the. I just got my ATI Radeon 4870 a few days ago for my Mac Pro '06. It works great. I am running 2 24' Dell monitors, one through DVI and one through a the minidisplay port with the mini to DVI converter I bought at Apple, and they run flawlessly. I run World of Warcraft at full setting without a hitch. Feb 04, 2009 A HD4870 is just what my Mac needs to make it the perfect all rounder. Good thing the Mac Pro is divided into compartments in regards to airflow and cooling. And by then there will probably ATI Radeon HD 5870 in existence.