Having a backup drive is key to anyone with a laptop, but lugging around an extra hard drive can take the convenience out of portable computing. Plugging into the computer adds steps to the process of getting started with work, but one Macbook slot in particular — the SD card port — can be used to immediately expand its storage by 512 gigs. The way to do it is with a HyperDrive MacBook Storage Expander, and you can get one right now for $19.95.
How to expand your Macbook storage without taking up any extra space [Deals]
Photo: Cult of Mac Deals

