Apple announces the 27-inch 5K Studio Display for Mac Studio | Engadget
Used Apple A Grade 27-inch Thunderbolt Display (Early 2015) MC914LL/A 2560 x 1440 Resolution with builtin FaceTime HD camera, Three USB 2.0 ports, single Firewire 800port, MagSafe connector - Walmart.com
Apple Thunderbolt Display 27-Inch - MC914LL/A - A1407
Apple 27-inch Cinema Display review | TechRadar
Apple Thunderbolt Display 27-inch (Mid 2011)
Best Buy: Apple 27" iMac® with Retina 5K display (Latest Model) Intel Core i5 (3.0GHz) 8GB Memory 1TB Fusion Drive Silver MRQY2LL/A