Original HD4670M HD5670M HD6750M HD6770M 256MB 512MB Video Card For Apple iMac 21.5" A1311 Graphic Card 2009 2010 2011 Years - AliExpress
iMac Repair & Upgrade, Same Day Services
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
For Apple iMac 21.5" A1311 Mid/Late 2009 2010 2011 NVIDIA K2100M 2GB Video Card | eBay
Where is the GPU located and what gpu is it? (Late 2009 21.5” ) : r/mac
iMac 21.5" Late 2009 (10,1) - CPU Upgrade E8600 | MacRumors Forums
21.5 iMac LATE 2009 A1311 Logic Board - DEDICATED GFX CARD -CPU/GPU NO - Part Haven
iMac | 2.66 GHz Intel i5 | 27 Inch | Late 2009 - Techable.com
Amazon.com: Genuine Graphics Video Card for Apple iMac Late 2009 A1311 Core 2 Duo 3.06 21.5 Inch Desktop PC MB950LL/A MB950, AMD ATI Radeon HD 4670 GDDR3 256MB, MXM VGA Board GPU