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: Made for Amazon SanDisk 512GB microSD Memory Card for Fire Tablets and Fire -TV : Electronics
Amazon.com: SanDisk 1TB Extreme Pro Class 10 Micro SD Card for Samsung Phone Works with Galaxy Note 20 Ultra 5G, Note20 Ultra, Note 10+, Note10 Plus 5G Bundle with (1) Everything But
Sandisk microSDXC Extreme Pro 1TB (A2/ V30/ U3/ R170/ W90) + Adapter Mobile
Amazon.com: Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 1 TB : Electronics
Amazon.com: SanDisk 1TB Extreme microSDXC UHS-I Memory Card with Adapter - Up to 160MB/s, C10, U3, V30, 4K, A2, Micro SD - SDSQXA1-1T00-GN6MA : Electronics