The decision starts with fit, protection, and access. Look for a case that fits the drive’s dimensions, provides a watertight seal, and still lets you plug in cables without removing the drive. Consider the material (polycarbonate or rubberized shell), IP rating, and whether the case supports shock absorption and heat dissipation. Stick to trusted brands and a design that keeps the USB-C or other connectors accessible while sealed.

The waterproof sealing system and gasket integrity are the most complex parts. A well-designed case relies on a tight seal at every opening, solid materials, and precise tolerances to prevent water or dust intrusion. Good cases also maintain a secure lid or cap and protect against drops without hindering access to the drive’s ports. Brand-tested designs and quality manufacturing are key to reliability.

If you’re a casual traveler, a light, compact case with a reliable seal is usually enough. For rugged outdoor use, look for tougher materials, reinforced corners, and a higher level of water and dust protection. In both cases, ensure easy access to USB-C ports and a secure lid to prevent accidental openings. Choose a trusted Samsung-supported accessory line for compatibility.

Inspect seals regularly and clean any dirt from gaskets to maintain protection. Verify the case fits the drive snugly and that openings align with ports and cables. Follow the manufacturer’s guidance on cleaning with mild soap and water, and avoid submerging longer than the rating allows. Ensure compatibility with your USB-C cables and adapters to avoid leaks or fit issues.

Stick to well-known brands and Samsung-supported accessory series for reliability. Trusted options typically offer clear warranty terms and replacement policies if seals fail. Compare materials, protection level, and user reviews to gauge durability. Avoid generic off-brand cases that lack proper seals or tested compatibility.