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Tiny Thumb Drive Packs Huge Speed
20 Nov
Summary
- SanDisk ExtremeFit is the smallest tested thumb drive.
- Offers up to 1TB storage with speeds up to 400MB/s.
- Useful for large file transfers and OS installations.

The SanDisk ExtremeFit USB-C flash drive emerges as a remarkably compact external storage solution, easily dwarfed by traditional thumb drives and often mistaken for a wireless mouse dongle. This tiny device, measuring barely over half an inch, is available in capacities ranging from 64GB to a substantial 1TB, catering to diverse user needs for local storage.
Performance is a key highlight, with SanDisk advertising USB 3.2 Gen 1 speeds up to 400MB/s for its higher-capacity models. Real-world tests confirm near-advertised read and write speeds, ensuring swift transfers of large files like videos and images, as well as documents. Its compatibility extends across Windows, macOS, and iPadOS, with successful testing on ChromeOS as well, offering versatile usability for various operating systems.
While cloud storage offers convenience, the ExtremeFit provides a fast, secure, and offline alternative, essential for tasks such as operating system upgrades. Its extreme portability, however, necessitates vigilance to prevent misplacement. SanDisk suggests keeping it plugged in or utilizing it on less frequently used devices. For users prioritizing small size and high speed, the ExtremeFit stands out, earning an Editors' Choice award for its innovative design and functionality.




