Apple EFI AMD RX480 Reference Model Single 6 Pin for Mac Pro 4,1/5,1
Excited about the 7,1 Mac Pro? Here's your chance to put the same GPU in your 4,1/5,1 TODAY ! Full EFI support for diagnostic and Boot Screen support. This is one of the models officially endorsed by Apple, but now a lot better. No more staring at a black screen wondering what's happening. Includes single 6 pin power cable.
$0 local pick up.
Works in 10.13.6
10.14 and 10.15 11.6.5
Audio support in 10.14 and later via DP or HDMI.
Dual 4K capable DP ports
Dual 4K capable HDMI ports
Allow 1 week for custom work