SanDisk 256GB Ultra microSDXC UHS-I Micro SD Card SDSQUA4-256G-GN6FA $18.24

SanDisk 256GB Ultra microSDXC UHS-I Card for Chromebook – 120MB/s, C10, U1, A1 – SDSQUA4-256G-GN6FA
$18.24
R/W speeds are about 90MB/s and 35MB/s. Newer models like SDSQUAR-256G-GN6MA may have faster write speed.
To reach 120MB/s read, a SanDisk MobileMate USB 3.0 microSD Card Reader is required.
https://www.walmart.com/ip/SanDis…/642462909