Lowest price according to CamelCamelCamel: https://au.camelcamelcamel.com/product/B0C79H54TQ
$11 cheaper than last deal: https://www.ozbargain.com.au/node/878931
Use code PGRPKSRNTNPW at checkout when purchasing 2 or more kits to save 10%, eg. 2x64GB kits (4x32GB sticks) cost $393.57, $196.79 per kit.
Ram