SanDisk Ultra 3D NAND SSD 2.5" 250 GB - 4 TB SATA III Internal SSD | Western Digital
Amazon.com: SanDisk 500GB Extreme PRO Portable External SSD - Up to 1050MB/s - USB-C, USB 3.1 - SDSSDE80-500G-A25,Aluminum Enclosure–Transfer Speed Up to 1050MB/s* : Electronics