Patriot Viper Steel 64GB (2x32GB) 3200MHz CL16 DDR4 RAM $163.99 Delivered @ Patriot Memory AU via Amazon AU

All time low
Cheaper than the Corsair kit and if you get older stock, faster timings as well
Patriot spec sheet

PVS464G320C6K

XMP 2.0, CL16-18-18-36 (Amazon listing) or CL16-20-20-40 (Patriot spec PDF) 1.35 V, Aluminum Heat Shield, Gunmetal Grey, 4.44 cm height
Limited lifetime warranty