Nvidia GTX 675MX video card with 4GB RAM 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 which supports the Metal API for running MacOS Mojave & Catalina Flashed with custom Apple firmware to enable Boot-screen and Brightness control. Heat-sink mounting kit included – modified X bracket and thermal pads applied. (Heat-sink not included, re-use the current one) 6 month
replacement warranty is included |