Sharing a Switch? Get a free 128GB microSD card with a Nintendo Switch Online family membership.

Major freebie alert: As of Jan. 4, you'll get a free $67.99 128GB microSD card with the purchase of a 12-month Nintendo Switch Online family membership ($34.99) at Best Buy.

The Nintendo Switch is a purposefully shareable product, making it a great gift for couples or families with kids. It doesn't typically come with a memory card, but having one is pretty crucial if multiple people are using the same console.

For a limited time, Best Buy is throwing in a SanDisk 128GB microSD card (worth $67.99) when you buy a 12-month Nintendo Switch Online family membership for $34.99. The freebie alone is basically worth double the total price.

Nintendo Switch Online is what makes playing with other people possible. Users with an Online account —up to eight on a single Family membership — can visit a friend's Animal Crossing island or race against users from around the world in Mario Kart. Nintendo Switch Online also offers a curated library of over 70 classic Super NES and NES games, plus an ever-growing selection of free games.

A quick plop of the SanDisk card into the microSD slot bumps your Switch's capacity from 32GB to 160GB, which translates to an additional 120-ish games (depending on the size of your downloads). Without the extra space, Switch users often find themselves having to delete games to make room —a practice that's not super realistic when divvying playtime among multiple people.

Credit: Nintendo

12-month Nintendo Switch Online family membership

Free SanDisk 128GB microSD card (save $67.99)

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