Apple 21.5" iMac A1311 Late 2009 Core-2-Duo 3.06gHz Nvidia 9400 Onboar – Dealm4kers
iMac RAM upgrade: Here's an affordable way to improve multitasking - CNET
A-Tech for Apple 4GB Kit 2X 2GB PC3-10600 Mac Mini iMac MacBook Pro Mid 2010 Late 2011 A1286 MD311LL/A A1297 MC511LL/A A1312 MC309LL/A A1311 MC812LL/A MC813LL/A MC814LL/A MC815LL/A A1347 Memory RAM at