I followed this link (expired, and higher clock memory) https://www.ozbargain.com.au/node/605919 and saw some lower clock speed memory was on special.
There is quite a few pairs, but many are less than 5 in stock, so won't post them.
Make sure you click the 5% off at checkout, and it shows the new total, at.. you guess it, checkout.
Delivery expected, for Gold Coast, 4 days.
DDR4 in title please