I have a $100 courtesy credit on Amazon but it only works for items sold by Amazon.com, the Corsair and Ballistix are the only two 3200 kits I found sold by Amazon.
Doing a 9700k with Asus Z390 Prime-A mobo build.
Narrowed it down to these two 3200 16GB kits from Corsair and Ballistix:
https://www.amazon.com/Corsair-Vengeance-3200MHz-Desktop-Memory/dp/B0143UM4TC/ref=sr_1_1?keywords=DDR4+3200&qid=1556500184&s=gateway&sr=8-1...