Apple iMac i5 21.5" AIO Desktop Computer Core i5 2.5GHz 8GB 500GB Sierra 2011 and WIFI
A-Tech 32GB (4x8GB) RAM for Apple iMac (Mid 2010 27 inch 4-Core, Mid 2011 21.5/27 inch) | DDR3 1333MHz PC3-10600 204-Pin SODIMM Memory Upgrade Kit at Amazon.com
apple-history.com / iMac (Late 2011)
Amazon.com: New HD 6970M 2GB Graphics Card Replacement for iMac Mid-2011 27" All-in-One Desktop PC Core i7 3.4 MD063LL/A MD063, AMD Radeon HD6970M HD6970 GPU Upgrade MXM Video Board Repair Parts :
2011 iMac 21.5"- Refurbished - MacTek - Computer & Phone Repair & IT Support
Here's How to Force Your Mac to Run Only in 64-bit Mode- The Mac Observer
Apple iMac review (mid 2011) - The Verge
Amazon.com: OWC 2.0TB HDD Upgrade Kit for All 2011 iMac Models
Apple iMac i5 21.5" AIO Desktop Computer Core i5 2.5GHz 8GB 500GB Sierra 2011 and WIFI
Review: 21.5-inch 2012 iMac takes two steps forward, one step back | Ars Technica
Refurbished: Apple Desktop Computer iMac MC978LL/A Intel Core i3 2nd Gen 2100 (3.10 GHz) 4 GB 500 GB HDD AMD Radeon HD 6750M Mac OS X 10.12 Sierra - Newegg.com
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