Best Buy Tech Fest SaleEnds Sunday. Limited quantities. No rainchecks.Shop now

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Expandable Memory Galaxy S7

Samsung has been a leader in the smartphone market for years, and its Galaxy line of devices is one of the most popular. If you're looking to upgrade your phone's memory, you have a few options. Browse the top-ranked list of expandable memory for Galaxy S7 below along with associated reviews and opinions. 

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  1. Samsung - Pro Plus 512GB microSDXC Memory Card

    SKU: J3ZYG2PH92

    Product Description

    A high-performance blue microSDXC card offering 512GB storage and fast 180MB/s read speeds for 4K video.
    See all microSDXC
    Your price for this item is $69.99

  2. Samsung - Pro Ultimate and Adapter 256GB microSDXC Memory Card

    SKU: J3ZYG293FZ

    Product Description

    A high-speed blue microSDXC card with 256GB storage and adapter, ideal for creative and professional use.
    See all microSDXC
    Your price for this item is $49.99

  3. Samsung - Pro Ultimate and Adapter 512GB microSDXC Memory Card

    SKU: J3ZYG293V9

    Product Description

    A high-speed blue microSDXC card with 512GB storage and adapter, ideal for creative and professional use.
    See all microSDXC
    Your price for this item is $94.99

  4. Samsung - Pro Ultimate and Adapter 128GB microSDXC Memory Card

    SKU: J3ZYG293F6

    128gb memory card...The 128gb micro memory card is a very good product. Tupelo Ms Best Buy is the place to shop for electronics and great customer first employees...Need3d More Memory...The price was...

    Product Description

    A high-speed 128GB microSDXC card with adapter, ideal for storing photos, videos, and files.
    See all microSDXC
    Your price for this item is $34.99

  5. Samsung - Pro Ultimate and Reader 256GB microSDXC Memory Card

    SKU: J3ZYG298C3

    Memory card...This memory card is super easy to use and needed for my dashcam....Great memory card...[This review was collected as part of a promotion.] This memory card was a great buy ...you won't be...

    Product Description

    A high-speed blue microSDXC card offering 256GB storage and up to 200MB/s read speeds.
    See all microSDXC
    Your price for this item is $48.99

  6. Samsung - P9 Express 256GB microSDXC Memory Card

    SKU: JJGRF397XY

    Product Description

    A white microSDXC card offering 256GB storage and 800MB/s read speed for smooth, reliable gaming.
    See all microSDXC
    Your price for this item is $74.99
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In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.