Why don't Apple laptops have an NVIDIA GPU? - Quora
Someone gave me this unwanted Mac, anyone know if you can upgrade the graphics cards on these ? Keep seeing conflicting information it's a 24" early 2009 imac : r/mac
Amazon.com: Original Graphics Card for Apple iMac 2009 Core 2 Duo 3.06 MB420LL/A MB420 A1225 24 Inch All-in-One Desktop PC, NVIDIA GeForce GT 130M GDDR3 512MB, GPU Video Board Replacement 180-10816-0000-C01 :
NVIDIA | Mac Life
iMac 2011 GPU upgrade to NVIDIA 770M with new VBIOS - YouTube
Original Ati HD 6970M 5750m 4850 4670 Grafikkarte Video Karte 1GB 2GB 109-C29657-10 Für Apple iMac 27 "A1312 GPU 2009 2010 2011 - AliExpress