Nvidia GTX 675MX 4GB Carte Graphique

Direct Replacement for AMD Radeon HD 6970M

(Apple part numbers: 661-5968 or 661-5969)

for Apple 27" iMac iMac12,2 A1312 2011 model only


Please note - this card uses a newer NVIDIA GPU chip that supports 

the Metal API for running MacOS Mojave & Catalina and later with OCLP


Flashed with custom Apple firmware to enable Boot-screen and Brightness control

Heat-sink mounting kit included – modified X bracket.

(Heat-sink not included, re-use the current one)


Each card is fully tested & working perfectly,

6 month replacement warranty included.