Amazon.com: SanDisk Ultra 64GB Class 10 SDXC UHS-I Memory Card up to 80MB/s (SDSDUNC-064G-GN6IN) : Electronics
Amazon Basic Micro SD 512 GB. I have just bought it for my Steam Deck because Sandisk cards prices rose and this card was on offer. It has solid writing speed in
Amazon.com: SANDISK EXTREME PLUS MICRO SDXC UHS-I 64GB 100MB/s MEMORY CARD WITH ADAPTER : Electronics