Amazon.com: Valley Of The Sun Graphics Video Card GPU Replacement for Apple iMac Mid-2010 A1311 Core i3 3.06 MC508LL/A MC508 21.5 Inch Desktop Computer, ATI Radeon HD 4670 GDDR3 256MB, MXM VGA
Techinal Brand New Power Supply Power Board for iMac 21.5" A1311 OT8043 ADP-200DF PSU Power Supply Board 205W 614-0445 661-5299 614-0444 2009 2010 2011 Year - Walmart.com
21.5 iMac Mid 2010 A1311 661-5538 661-5534 Logic Board Core i3 CPU Not - Part Haven