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 - Walmart.com
SanDisk 400GB Extreme Pro UHS-I microSDXC Memory Card
Amazon.com: SanDisk 400GB Ultra microSDXC UHS-I Memory Card with Adapter - 120MB/s, C10, U1, Full HD, A1, Micro SD Card - SDSQUA4-400G-GN6MA & MobileMate USB 3.0 microSD Card Reader- SDDR-B531-GN6NN