2GB RAM - Memory (PC3-10600) for Apple MacBook Pro 15 inch A1286, 13 inch A1278, 17 inch A1297, Mac mini Unibody A1347, iMac 21.5 inch A1311, 27 inch A1312
2009 2010 Apple Mac mini IMAC macbook pro memory RAM 8GB 2x4GB DDR3 1066 1067
Apple iMac 21.5" All-in-One Desktop Computer i3 3.07GHz 4GB Ram 500GB HDD Mac OS High Sierra MC508LL/A w/ Keyboard & Mouse
iMac RAM upgrade: Here's an affordable way to improve multitasking - CNET
OWC Performance Upgrades for iMac 2010
How to upgrade RAM / Memory on a 2010 iMac Core i3 i5 i7 (21.5in & 27in) - YouTube