Just prove you need one. https://www.bit-tech.net/news/hardware/2017/01/26/noctua-phanteks-cryorig-am4/1
1,331 pins in a PGA format. http://www.bit-tech.net/news/hardware/2016/09/19/amd-am4-pictured/1
Forwards-compatible with Zen. http://www.bit-tech.net/news/hardware/2016/09/06/amd-launches-bristol-ridge/1
Beats out an Intel i7-6900K. http://www.bit-tech.net/news/hardware/2016/08/19/amd-zen-summit-ridge-demo/1
No word on retail availability. http://www.bit-tech.net/news/hardware/2016/04/06/amd-shipping-bristol-ridge/1
Separate names with a comma.