The Seagate Expansion 4TB portable hard drive is down to $83.99 on Amazon. The drive normally sells for around $100 and even goes as high as $110. It hasn't dropped this low in price since April, and there's no telling when it will dip back down in price again.

Fill it up

Seagate Expansion 4TB portable hard drive

We very rarely see this dip below $90, so if you're in the market, today is your lucky day.

$83.99 $100.00 $16 off

This is an external hard drive that works with Windows out of the box but requires reformatting for Mac. It's a plug-and-play drive that uses USB 3.0 for fast transfer speeds and for power. You can simply drag the files to the drive that you want to save. It has more than 11,000 reviews with 4.1 stars out of 5.

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