![Pro tip: 27 inch iMac late 2009 and mid 2010 can be used as an external monitor for any device! : r/mac Pro tip: 27 inch iMac late 2009 and mid 2010 can be used as an external monitor for any device! : r/mac](https://preview.redd.it/pro-tip-27-inch-imac-late-2009-and-mid-2010-can-be-used-as-v0-6l6vj0et4zhc1.jpeg?width=1080&crop=smart&auto=webp&s=f3209162f51140ac7bd0723fc5c372203ea3d77e)
Pro tip: 27 inch iMac late 2009 and mid 2010 can be used as an external monitor for any device! : r/mac
![Used Apple iMac 21.5-inch 500GB Hard Drive 4GB RAM I3 Proessor (Mid 2010) - ZD Laptop Service Centre Used Apple iMac 21.5-inch 500GB Hard Drive 4GB RAM I3 Proessor (Mid 2010) - ZD Laptop Service Centre](http://www.topfixpc.com/wp-content/uploads/2015/11/imac-21.5-inch-pic3.jpg)
Used Apple iMac 21.5-inch 500GB Hard Drive 4GB RAM I3 Proessor (Mid 2010) - ZD Laptop Service Centre
![Target Display mode is pretty Universal on the 27 inch iMacs from 2009 & 2010 with only a mini display port connection required. : r/mac Target Display mode is pretty Universal on the 27 inch iMacs from 2009 & 2010 with only a mini display port connection required. : r/mac](https://preview.redd.it/target-display-mode-is-pretty-universal-on-the-27-inch-v0-q88xa8f5y50a1.jpg?width=640&crop=smart&auto=webp&s=e0a974b3096eb0c6190a65e515a79f64508883eb)
Target Display mode is pretty Universal on the 27 inch iMacs from 2009 & 2010 with only a mini display port connection required. : r/mac
![Apple iMac 21.5 (Mid 2010) Core i3 3.2 GHz, 4GB RAM, 1TB HDD (Renewed) : Amazon.co.uk: Computers & Accessories Apple iMac 21.5 (Mid 2010) Core i3 3.2 GHz, 4GB RAM, 1TB HDD (Renewed) : Amazon.co.uk: Computers & Accessories](https://m.media-amazon.com/images/I/81khQA4qFxL.jpg)