4TB SanDisk Extreme PRO Portable SSD with USB4, Up to 3800 MB/s Read and 3700MB/s Write, USB-C, USB 3.2, Backwards Compatible, IP65 Water and Dust Resistance – SDSSDE82-4T00-G25

UNLEASH USB4 SPEEDS. Work at a turbocharged pace in external USB drives, with our next-gen USB4 interface achieving read speeds of up to 3800 MB/s[2] and write speeds of up to 3700 MB/s[2]
BACKWARDS COMPATIBILITY. Store and move data across your older USB 3.2 and USB 2.0 devices, and supports Thunderbolt 4 as well.
POWERFUL PROTECTION. Help protect your data while on-the-go, with a rugged silicone shell and forged aluminum chassis.
OUTSTANDING RELIABILITY. A 5-year limited warranty helps ensure your storage is backed by a professional-grade guarantee[4]