This is an ATI Radeon X1900 video card for the Mac Pro (Early 2008) model. This comes with a modified silent heat sink.

Model Brand APPLE Model MB284Z/A Spec Name Aperture 2.0 Version Standard Operating Systems Supported Mac OS X v10.4.11 Tiger Mac OS X v10.5.2 Leopard System Requirements One of the following Mac computers: Mac Pro MacBook Pro MacBook Air MacBook Mac mini with an Intel Core Solo or Duo processor iMac with a 1.8GHz or faster PowerPC G5 or Intel Core Duo processor Power Mac G5 with a 1.6GHz or faster PowerPC G5 processor 15- or 17-inch PowerBook G4 with a 1.25GHz or faster PowerPC G4 processor Memory requirements 1GB of RAM 2GB of RAM for Mac Pro One of the following graphics cards: ATI Radeon X600 Pro, X600 XT, X800 XT Mac Edition, X850 XT, X1600, X1900 XT, 9800 XT, 9800 Pro, 9700 Pro, 9600, 9600 XT, 9600 Pro, 9650, HD 2400 XT, HD 2600 PRO, or HD 2600 XT ATI Mobility Radeon 9700 or 9600 ATI... Less

PLEASE READ ENTIRE AUCTION BEFORE BUY IT NOW. IF YOU HAVE ANY QUESTION , DON'T HESTIATE TO CONTACT US. ITEM DESCRIPTION: NEW IN BOX NVIDIA PNY QUADRO 4000 MAC PART# VCQ40000MAC-PB We bought this and try to install to system but we decide to use other card so we don't use it, it's brand new condition. VIDEO CARD 2XAVAILABLE QTY:1 CONDITION: NEW IN BOX AUCTION INCLUDED: COMPLETE IN RETAIL BOX Payment Policy Only PayPal is Accepted Immediate Payment is required after the Winning Bid Item will be s