Not the cheapest ever, but the best price I can find at the moment.
Ships from Amazon UK - may or may not come with an Australian power adaptor.
if it doesn't, create a WD account and raise a support request - they generally provide you with an Australian adaptor free….
Works out to about $34.31 per TB. You are paying a price premium per TB over the 12TB and 14TB drives for the extra size.
Can be shucked but this will most likely void your warranty.