https://www.tweaktown.com...am-amd-x399/index.html
 
G.SKILL International Enterprise Co., Ltd. is excited to announce a new memory specification of DDR4-3466 CL18-22-22-42 with 32GB (4x8GB) capacity configuration at 1.35V for the high performance AMD Ryzen Threadripper processor and X399 platform. Previously, the highest DDR4 speed available for the AMD X399 platform from G.SKILL was DDR4-3200. G.SKILL is now expanding the specifications to DDR4-3466 under the quad-channel configuration. Kits will be available via G.SKILL worldwide distribution partners in Q1 2019. Pricing is presently unknown. Great to see support of the Threadripper platform.