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 11.6.3
Audio support in 10.14 and later via DP or HDMI.
Dual 4K capable DP ports
Dual 4K capable HDMI ports