SanDisk Ultra 512GB MicroSD Card $54.55 + Shipping ($0 with $59 Spend) @ Amazon AU

Part of amazon au black friday deal, $159.58 @ noel leeming with CSCBG main
1TB version is also on special @ NZD123.70 + shipping
https://www.amazon.com.au/SanDisk-microSDXC-Adapter-Performa…

Some other deals
Kingston SA400S37/120G A400 SSD 120GB 2.5-Inch SatA3 TLC NAND,Black NZD 19.32
https://www.amazon.com.au/Kingston-SA400S37-120G-120GB-2-5-I…

Up to 32GB to store even more hours of Full HD video
Up to 120MB/s transfer speeds let you move up to 1000 photos in a minute | Up to 120MB/s read speed
Load apps faster with A1-rated performance(1) | (1)A1 performance is 1500 read IOPS, 500 write IOPS.
Capacity: 512GB
Form Factor: microSDXC
Speed Rating: A1, C10, U1, UHS-I
Read: 120MB/s R