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New CPUs, faster Wi-Fi, same flaws: Apple's 2013 iMac reviewed | Ars Technica
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27″ iMac 3.4GHz i7Quad Core 2 X Thunderbolt Ports (Available to pick up at the store) – MacPro-LA
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display - Using iMac late 2013 as external monitor to HP EliteBook 820 G3 on Windows 10 - Ask Different
21.5-inch iMac (Late 2013) Review: Iris Pro Driving an Accurate Display
Amazon.com: Mini DisplayPort to HDMI Adapter for iMac Mid 2013 (27-inch, 21.5 inches) Mini DP to HDMI Adapter Compatible with MacBook Air/Pro, Microsoft Surface Pro/Dock, Projector and More 2-Pack : Electronics