Cram giant amounts of data onto these tiny storage drives and cards

These eight cutting-edge hard drives, flash drives, and cards can hold multi-gigabytes of data and yet still slip in a shirt pocket.

Seagate GoFlex Slim Performance Drive

Holds: 320GB Uses: USB 3.0 Dimensions: 4.91 inches by 3.07 inches by 0.354 inch

This model recently debuted as the slimmest portable hard drive available, and its thin profile is indeed remarkable. The GoFlex Slim has roughly the thickness of a pencil. Achieving such extreme portability took a toll on storage capacity, however; the drive maxes out at a (relatively) meager 320GB.

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