nVidia Geforce GTX 670 OC 2Gb PCI-Express Graphics Video Card

*Modified Graphics Video Card For Mac w/Apple Boot Screen  Condition : Slightly used with 60 days warranty  Compatible Mac Pro Model :  MacPro3,1 - 5,1 from 2008 to 2012 EFI64 Compatible OS X :  Mountain Lion 10.8.3 to macOS Catalina 10.15.x , Big Sur 11.x to Sonoma 14.x & Sequoia 15.x Compatible *Metal Supported  (w/nVidia Web Driver & CUDA Driver) Bootcamp Supported ( windows 10 / 8.x / 7 / Vista / XP 32/64-bit )  Connector Port : 1x Dual-Link DVI Port , 1x Single-Link DVI Port , HDMI & Display Port (4 Display Simultaneously) **3 Display Simultaneously from 10.9.3 or later , upper DVI disable by Apple after 10.9.2 *HDMI & Display Port - 4K Support ( OS X 10.9.2 or higher , may not Show Boot screen )  *WindForce 3X Cooling System, Super Silent & Cool