Looking at pcpartpicker, MSI B450 TOMAHAWK MAX motherboard under "See All Builds", filtered atx cases. I found four reviews on the first page of builds with the same G.Skill Ripjaws V 16 GB (2 x 8 GB) DDR4-3600 Memory https://pcpartpicker.com/product/jBZzK8/gskill-ripjaws-v-16-gb-2-x-8-gb-ddr4-3600-memory-f4-3600c16d-16gvkc
"G.Skill Ripjaws V 16 GB (2 x 8 GB) DDR4-3600 is the best price/value RAM at the moment (CAD 92.99). Despite it's not in the QVL for this motherboard, it perfectly works with default XMP profile and achieves 3600MHz." Source: https://pcpartpicker.com/b/8ztgXL
"was best priced 16gb 3600 ram runs at rated speed" Source: https://pcpartpicker.com/b/Yyjypg
"Out of the box it ran at smth around 2133. In bios i selected its XMP profile and it ran at 3600 no problem. Simply need to select the xmp profile and youll be all set!" Source: https://pcpartpicker.com/b/m2HhP6
"I really like this RAM. It runs at the advertised speed, doesn't freak out like some other memory does sometimes, and looks really good with my motherboard. It delivers buttery smooth frame rates in any game I play, and has no problem with anything I throw at it. Plus, the high speed is nice for my R5 3600, helping it increase performance. I was able to get this kit on sale for $70, so if it ever happens again, this is definitely the way to go for Ryzen builds." Source: https://pcpartpicker.com/b/xVsZxr
Also, you can check amazon reviews https://www.amazon.com/G-Skill-Ripjaws-PC4-28800-CL16-19-19-39-F4-3600C16D-16GVKC/product-reviews/B07X8DVDZZ/ref=cm_cr_arp_d_viewopt_kywd?ie=UTF8&reviewerType=all_reviews&pageNumber=1&filterByKeyword=msi
Hope it helps!