The Silicon Power A85 uses an extruded aluminium tube with plastic caps on both ends.

It is exceptionally resistant to shock damage and meets IP68 (but not IP69) specifications for dust and water resistance.

The Type-A USB port is most likely to allow dust and water to enter if the A85 is properly sealed, which limits its protection.

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The performance of a traditional hard drive could be better for reading and writing.

This product is supported by an SP HDD Lock utility from Silicon Power.

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Microsoft’s BitLocker capability, which is currently built into Windows 10 and 11, would be a viable solution.

This low-cost option is suitable for people who need to transport a lot of data but aren't concerned about read/write speed or proprietary cables.

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