Buy Samsung EVO Plus SDXC card 256 GB Class 10, Class 10 UHS-I, UHS-I, v30 Video Speed Class A2 rating, incl. SD adapter, sh | Conrad Electronic
Heads up, Amazon has a 512GB Samsung EVO Select SD card on sale for only $40. Insanely good deal if you're looking to up your Steam Deck's storage. : r/SteamDeck
Amazon.com: Samsung EVO Select 256GB microSDXC UHS-I U3 130MB/s Full HD & 4K UHD Memory Card inc. SD-Adapter (MB-ME256KA/EU), Blue : Electronics
Nintendo Licensed microSDX Memory Cards for Nintendo Switch | Western Digital