G.Skill 16GB DDR4 PC4-32000 4000MHz Ripjaws V Black CL18 Dual Channel kit (2x8GB) 1.35V
F4-4000C18D-16GVK
https://www.amazon.com/gp/product/B0813ZDVFF/ref=ppx_od_dt_b_asin_title_s00?ie=UTF8&psc=1
124.99$ 2021-04-16
https://www.gskill.com/product/165/184/1562837577/F4-4000C18D-16GVK-Overview
The Corsair ram that ran fine on the 3200g won't run @ rates docp numbers for whatever reason on the 4700g.
The gSkill does.