Apple TV 2nd Gen A1378

• AppleTV2,1 Late 2010: MC572LL/A (1 GHz Apple A4)

Apple TV 3rd Gen A1427

• AppleTV3,1 Early 2012: MD199LL/A (1 GHz Apple A5)

Apple TV 3rd Gen Rev. A A1469

• AppleTV3,2 Early 2013: MD199LL/A (1 GHz Apple A5)