The IP55 rating means it can fend off water and dust.

Well, that didn’t take long. A few short weeks after reviewing the Samsung T7, SanDisk’s Extreme Portable Pro SSD (1TB) showed up at our door and easily surpassed its rival for the top-performing USB 3.1 Gen 2 drive. SanDisk’s drive doesn’t offer the T7’s handy and fun fingerprint security, but it’s about the same price and offers software-based password protection if security is a concern.
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https://www.pcworld.com/article/3527212/sandisk-extreme-pro-portable-ssd-review.html