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iMac (Retina 5K, 27-inch, Late 2015) - Technical Specifications
Refurbished 27-inch iMac 3.0GHz 6-core Intel Core i5 with Retina 5K display - Apple
iMac 27 HDMI video input: Mac Talk Forum: Digital Photography Review
3-in-1 Mini DisplayPort (Thunderbolt) to HDMI VGA DVI Converter TV Adapter Compatible for iMac MacBook Pro Air Surface Pro 1 2 3 4 6 Chromebook Pixel and More Laptop with Mini DP Output - White - Walmart.com
Looking to connect a mid 2011 iMac to an external monitor, these are my connections available. What are my options? : r/applehelp