AMD Sapphire Radeon R9-280 3Gb PCI-Express Graphics Video Card

*Modified Graphics Video Card For Mac w/Apple Boot Screen    Condition : Used with 60 days warranty Compatible Mac Pro Model :  MacPro3,1 - 5,1 from 2008 to 2012 EFI64 *MacPro1,1/2,1 with OS X Mavericks 10.9 or higher OS X installed Compatible OS X :  Lion 10.7.5 or Higher macOS Mojave 10.14 x , Catalina 10.15.x , Big Sur 11.x & Monterey 12.x native compatible , * Ventura 13.x , Sonoma 14.x & Sequoia 15.x Compatible, METAL Supported !! Bootcamp Supported ( windows 10 / 8.x / 7 / Vista / XP 32/64-bit )  Connector Port : 1x Dual-Link DVI Port , 1x Display Port & 1x HDMI Port  ( 3 Display Simultaneously )  *Display Port - 4K Support *OS X 10.9.2+ needed (may not show Apple Boot Screen, Proper adapter may need)   **Build By Sapphire/AMD Model w/Copper Pipe Dual-X Cooling Fan System, Silent & Cool