Amazon.com: SanDisk - 400GB microSDXC UHS-I for Nintendo Switch : Video Games
SanDisk 400GB microSDXC UHS-I Memory Card for Nintendo Switch SDSQXAO-400G-ANCZN - Best Buy
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
400GB Micro SDXC Extreme Pro Sandisk Memory Card (SDSQXCZ-400G-GN6MA) - Everything But Stromboli
SanDisk to release a whopping 400GB SD Card. - Coolsmartphone
400GB Class 10 Micro SD XC Memory Card with Adapter | eBay