Amazon.com: SanDisk 250GB Extreme Portable External SSD - Up to 550MB/s - USB-C, USB 3.1 - SDSSDE60-250G-G25 : Electronics
SanDisk Extreme Portable SSD Solid State External Hard Drive (1 TB to 4 TB) | Western Digital
Amazon.com: Yinke Hard Case for SanDisk Extreme Pro/SanDisk Extreme Portable External SSD 500GB 1TB 2TB, Travel Case Protective Cover Storage Bag : Electronics
Review: SanDisk Extreme Portable SSD - fast enough for 4K workflows [Video] - 9to5Mac
SanDisk Extreme Portable and Extreme PRO Portable SSD Review