HI Jeff,My name is ***** ***** I will help with your question. What connection box are you after?
Hi,Is it the one connect box you are after.http://www.samsung.com/us/video/tvs-accessories/SEK-2500U/ZA
If that is what you are after the part number is *****They seem to only be available from Harrods
Found the SEK/3500U at the above company