On Xbox One, you can’t swap out the built-in hard drive for a new one, but you can do something even better: use an additional external hard drive. This article explains the requirements and how to do it.

When you add a hard drive to your Xbox One, you can use the internal 500GB drive, plus up to two additional external USB HDDs with as many terabytes of storage as you need to store all your games.

You have a wide variety of options for external HDDs on Xbox One. You can use any HDD that:

From there, any brand and size will work. Faster read speeds and higher capacities will cost more, of course. Solid state drives can offer the best performance, but they cost more. You can get a decent 5400rpm 1TB external USB 3.0 HDD for around $60.