SanDisk Ultra 400GB MicroSD XC Class 10 A1 UHS-1 Mobile Memory Card up to 100MB/s Read Speed (SDSQUAR-400G-GN6MN) with Mini MemoryMarket MicroSD Memory Card Reader
Nintendo Switch™Micro SD Memory Card, MicroSDX (62 GB - 512 GB) | Western Digital
SanDisk: Erste microSD-Karte mit 400 GB erscheint im September - ComputerBase
Amazon.com: SanDisk 400GB Extreme microSDXC UHS-I Memory Card with Adapter - Up to 160MB/s, C10, U3, V30, 4K, A2, Micro SD - SDSQXA1-400G-GN6MA : Electronics