NVIDIA K610M video card with 1GB RAM
Direct Replacement for AMD Radeon HD 6750M
in Apple 21.5 inch iMac 12,1 A1311 2011 model only
Apple part numbers: 109-C29557-00 661-6023
661-5967, 631-2052, 631-2053, 661-5944, 631-1841
(check with me first if you are not sure which card you have)
Please
note this card uses a newer NVIDIA GPU chip which
supports the Metal API for running newer macOS Mojave, Catalina or later with OCLP
Flashed with custom Apple firmware to enable Boot-screen and Brightness control.
(Heat-sink not included, re-use the current one, no modifications needed)
Each card is fully tested & working perfectly,
6 month replacement warranty included.
SD