Amazon has dropped the prices of several 240GB Transcend JetDrive Solid-State Drive upgrade kits for select MacBook Air and Retina Pro models down to their best prices ever:

Great for upgrading to a larger capacity or replacing an older drive that may have quit on you. Each kit includes a drive enclosure that can be used to turn your old SSD into a USB 3.0 external hard drive.

As noted in our review, the JetDrive is an easy way to upgrade the storage capacity of many MacBook Air and Retina MacBook Pro models. Other models up to 960GB are also on sale but aren’t at their lowest prices.

Don’t feel comfortable opening up your Mac? Use one of these three hacks to add semi-permananet storage through its SD card slot.

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