Please
note this card uses a newer NVIDIA GPU chip which
supports the Metal API for running MacOS Mojave & Catalina.
Nvidia GTX 675MX video card with 4GB RAM
Direct Replacement for AMD Radeon HD 4850
(Apple part number: 661-5315)
for Apple 27" iMac 11,1 A1312 late 2009, EMC 2374 model only!
(NOT compatible with iMac 9,1 or 10,1 - EMC 2308)
Flashed with custom Apple firmware to enable Boot-screen and Brightness control.
(Heat-sink not included, re-use the current one)