gugman
1000+ Head-Fier
amazon.de has sandisk 400GB micro sd for 78Euros, choosing shipping to US deductes some taxes and you get it for 73Euros including shipping. Just ordered one
https://www.amazon.de/SanDisk-Ultra-microSDXC-Speicherkarte-Adapter/dp/B074RNRM2B/
https://www.amazon.de/SanDisk-Ultra-microSDXC-Speicherkarte-Adapter/dp/B074RNRM2B/