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Best Buy customers often prefer the following products when searching for big memory.

If you're looking for something to store and back up your files, you might want to consider buying a big-capacity memory card. These cards are designed to hold large amounts of data so you won't have to worry about running out of storage space. Browse the top-ranked list of big memories below along with associated reviews and opinions.

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  1. Samsung - PRO Plus 512GB microSDXC UHS-I Memory Card with Adapter - Front_Zoom
    Top comment

    "Best memory for nintendo switch. Fast speeds and big space. ...Memories"

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    Product Description

    Your new go-to card + adapter combo, the Micro SD PRO Plus + Adapter makes capturing seamless 4K video on compatible phones or drones a breeze. Plus, the expanded storage provides you the freedom to play more high-performance and intensive games on your tablet or gaming device. It’s all the extra space you need from a brand you can count on.
    See all microSDXC
    Top comment

    "Best memory for nintendo switch. Fast speeds and big space. ...Memories"

    See all customer reviews

    Product Description

    Your new go-to card + adapter combo, the Micro SD PRO Plus + Adapter makes capturing seamless 4K video on compatible phones or drones a breeze. Plus, the expanded storage provides you the freedom to play more high-performance and intensive games on your tablet or gaming device. It’s all the extra space you need from a brand you can count on.
    See all microSDXC
    See all microSDXC
  2. Samsung - PRO Plus 256GB microSDXC UHS-I Memory Card With Adapter - Front_Zoom
    Top comment

    "Memory memory memories...It works great and it does the job to expand memory"

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    Product Description

    Your new go-to card + adapter combo, the Micro SD PRO Plus + Adapter makes capturing seamless 4K video on compatible phones or drones a breeze. Plus, the expanded storage provides you the freedom to play more high-performance and intensive games on your tablet or gaming device. It’s all the extra space you need from a brand you can count on.
    See all microSDXC
    Top comment

    "Memory memory memories...It works great and it does the job to expand memory"

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    Product Description

    Your new go-to card + adapter combo, the Micro SD PRO Plus + Adapter makes capturing seamless 4K video on compatible phones or drones a breeze. Plus, the expanded storage provides you the freedom to play more high-performance and intensive games on your tablet or gaming device. It’s all the extra space you need from a brand you can count on.
    See all microSDXC
    See all microSDXC
  3. SanDisk - Ultra PLUS 64GB SDXC UHS-I Memory Card - Front_Zoom

    Model: SDSDUWC-064G-AN6IN
    SKU: 6515513
    Top comment

    "Fast great for my Dslr, big memory, lockable, good price...Making Memories with Memory Card"

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    Product Description

    Store your digital files with this SanDisk SDSDUWC-064G-AN6IN Ultra PLUS SDXC UHS-I memory card. The 64GB storage capacity offers ample space for your photos and videos, while the fast transfer speeds of up to 150MB/sec. enable rapid transfer of Full HD media files. This SanDisk Ultra PLUS SDXC UHS-I memory card is waterproof and shock-resistant to endure the elements.
    See all microSDXC
    Top comment

    "Fast great for my Dslr, big memory, lockable, good price...Making Memories with Memory Card"

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    Product Description

    Store your digital files with this SanDisk SDSDUWC-064G-AN6IN Ultra PLUS SDXC UHS-I memory card. The 64GB storage capacity offers ample space for your photos and videos, while the fast transfer speeds of up to 150MB/sec. enable rapid transfer of Full HD media files. This SanDisk Ultra PLUS SDXC UHS-I memory card is waterproof and shock-resistant to endure the elements.
    See all microSDXC
    See all microSDXC
  4. Samsung - PRO Endurance 128GB microSDXC SD Memory Card - Front_Zoom
    Top comment

    "Big Storage...I would definitely recommend this memory card!...PRO Endurance 128GB micro SDXC SD Memory Card...Samsung - PRO Endurance 128GB micro SDXC SD Memory Card Works Great"

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    Product Description

    Extreme endurance for monitoring devices Built to last up to hours of recording (256GB model) Stands up against magnets, X-rays, water, drop and more. Record and play in FHD and 4K Engineered to deliver long lasting performance.
    See all Memory Cards
    Top comment

    "Big Storage...I would definitely recommend this memory card!...PRO Endurance 128GB micro SDXC SD Memory Card...Samsung - PRO Endurance 128GB micro SDXC SD Memory Card Works Great"

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    Product Description

    Extreme endurance for monitoring devices Built to last up to hours of recording (256GB model) Stands up against magnets, X-rays, water, drop and more. Record and play in FHD and 4K Engineered to deliver long lasting performance.
    See all Memory Cards
    See all Memory Cards
  5. SanDisk - Ultra PLUS 128GB microSDXC UHS-I Memory Card - Front_Zoom

    Model: SDSQUBC-128G-AN6IA
    SKU: 6515480
    Top comment

    "memory...memory memory memory you really cannot get enough extra memory...Memories"

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    Product Description

    Transfer media from your phone to laptop with this SanDisk SDSQUBC-128G-AN6IA Ultra PLUS microSDXC memory card. The transfer speeds of up to 150MB/sec. enable rapid access to data, while the included adapter boosts connectivity. This SanDisk Ultra PLUS microSDXC memory card features a 128GB storage capacity to hold plenty of files, and the SanDisk Memory Zone allows for seamless file management.
    See all microSDXC
    Top comment

    "memory...memory memory memory you really cannot get enough extra memory...Memories"

    See all customer reviews

    Product Description

    Transfer media from your phone to laptop with this SanDisk SDSQUBC-128G-AN6IA Ultra PLUS microSDXC memory card. The transfer speeds of up to 150MB/sec. enable rapid access to data, while the included adapter boosts connectivity. This SanDisk Ultra PLUS microSDXC memory card features a 128GB storage capacity to hold plenty of files, and the SanDisk Memory Zone allows for seamless file management.
    See all microSDXC
    See all microSDXC
  6. SanDisk - Ultra PLUS 128GB SDXC UHS-I Memory Card - Front_Zoom

    Model: SDSDUWC-128G-AN6IN
    SKU: 6515538
    Top comment

    "Memory...Good alternative for more memory on my laptop and very convenient ....Good memory card. Good memory card.Good memory card.Good memory card."

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    Product Description

    Keep your photos and videos safely stored with this SanDisk SDSDUWC-128G-AN6IN Ultra PLUS SDXC memory card. The fast transfer speeds of up to 150MB/sec. ensure swift performance, while the 128GB storage capacity provides ample space for your media files. This SanDisk Ultra PLUS SDXC memory card boasts resistance to shocks, water and X-rays for lasting use.
    See all microSDXC
    Top comment

    "Memory...Good alternative for more memory on my laptop and very convenient ....Good memory card. Good memory card.Good memory card.Good memory card."

    See all customer reviews

    Product Description

    Keep your photos and videos safely stored with this SanDisk SDSDUWC-128G-AN6IN Ultra PLUS SDXC memory card. The fast transfer speeds of up to 150MB/sec. ensure swift performance, while the 128GB storage capacity provides ample space for your media files. This SanDisk Ultra PLUS SDXC memory card boasts resistance to shocks, water and X-rays for lasting use.
    See all microSDXC
    See all microSDXC
  7. SanDisk - 256GB microSDXC UHS-I Memory Card for Nintendo Switch Fortnite Edition - Front_Zoom
    Top comment

    "A little flair for your memory...I highly recommend this product for your Nintendo switch memory needs....In conclusion, I consider this product to be a serviceable memory card to all Switch related needs."

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    Product Description

    Store your favorite gaming titles on this SanDisk SDSQXAO-256G-AN6ZG Fortnite Edition microSDXC memory card for Nintendo Switch. The 256GB storage capacity provides ample space for large video games, while the read speeds of up to 100MB/sec. and write speeds of up to 90MB/sec. ensure rapid data transfer. This SanDisk Fortnite Edition microSDXC memory card boasts high performance to effortlessly load your titles.
    See all microSDXC
    Top comment

    "A little flair for your memory...I highly recommend this product for your Nintendo switch memory needs....In conclusion, I consider this product to be a serviceable memory card to all Switch related needs."

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    Product Description

    Store your favorite gaming titles on this SanDisk SDSQXAO-256G-AN6ZG Fortnite Edition microSDXC memory card for Nintendo Switch. The 256GB storage capacity provides ample space for large video games, while the read speeds of up to 100MB/sec. and write speeds of up to 90MB/sec. ensure rapid data transfer. This SanDisk Fortnite Edition microSDXC memory card boasts high performance to effortlessly load your titles.
    See all microSDXC
    See all microSDXC
  8. SanDisk - Ultra PLUS 256GB SDXC UHS-I Memory Card - Front_Zoom

    Model: SDSDUWL-256G-AN6IN
    SKU: 6515540
    Top comment

    "big memory...Big and fast. Huge memory, and faster than the 128MB that it replaced.....This memory card is great for being mobile and cameras"

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    Product Description

    Store Full HD footage from your camera with this SanDisk SDSDUWL-256G-AN6IN Ultra PLUS SDXC UHS-I memory card. The transfer speeds of up to 160MB/sec. deliver fluid performance, while the 256GB storage capacity provides ample space for your documents and large multimedia files. This SanDisk Ultra PLUS SDXC UHS-I memory card features a shock-proof and water-resistant body for durability.
    See all microSDXC
    Top comment

    "big memory...Big and fast. Huge memory, and faster than the 128MB that it replaced.....This memory card is great for being mobile and cameras"

    See all customer reviews

    Product Description

    Store Full HD footage from your camera with this SanDisk SDSDUWL-256G-AN6IN Ultra PLUS SDXC UHS-I memory card. The transfer speeds of up to 160MB/sec. deliver fluid performance, while the 256GB storage capacity provides ample space for your documents and large multimedia files. This SanDisk Ultra PLUS SDXC UHS-I memory card features a shock-proof and water-resistant body for durability.
    See all microSDXC
    See all microSDXC
  9. Samsung - PRO Plus 256GB SDXC Full Size Memory Card - Front_Zoom
    Top comment

    "Great memory card!...Samsung Pro 256gb memory card...This was my first time using the Samsung Pro 256gb memory card and so far I am very impressed. I will be making this purchase again."

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    Product Description

    Built to last, Samsung's PRO Plus offers extreme performance in a variety of capacities, with robust reliability making this SD card the ideal choice for photographers and other digital media professionals. Use it across your work devices, and continue relying on the #1 brand name in flash memory¹. ¹Source: 2003-Q3 2020 IHS Market data: NAND suppliers' revenue market share.
    See all Secure Digital (SDXC)
    Top comment

    "Great memory card!...Samsung Pro 256gb memory card...This was my first time using the Samsung Pro 256gb memory card and so far I am very impressed. I will be making this purchase again."

    See all customer reviews

    Product Description

    Built to last, Samsung's PRO Plus offers extreme performance in a variety of capacities, with robust reliability making this SD card the ideal choice for photographers and other digital media professionals. Use it across your work devices, and continue relying on the #1 brand name in flash memory¹. ¹Source: 2003-Q3 2020 IHS Market data: NAND suppliers' revenue market share.
    See all Secure Digital (SDXC)
    See all Secure Digital (SDXC)
  10. SanDisk - Ultra PLUS 1TB microSDXC UHS-I Memory Card - Front_Zoom

    Model: SDSQUBL-1T00-AN6MA
    SKU: 6516381
    Top comment

    "This is a "mini", but it can also come with a full-sized "envelope" for a regular big memory slot."

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    Product Description

    Accommodate high-resolution images and video files with this SanDisk SDSQUBL-1T00-AN6MA Ultra PLUS microSDXC card. The 160MB/sec. transfer speeds let you save time when moving photos and videos, while the 1TB storage capacity provides plenty of room for large multimedia files. This SanDisk Ultra PLUS microSDXC card with is compatible Android smartphones and tablets, letting you offload data faster, and the shockproof design ensures durability.
    See all microSDXC
    Top comment

    "This is a "mini", but it can also come with a full-sized "envelope" for a regular big memory slot."

    See all customer reviews

    Product Description

    Accommodate high-resolution images and video files with this SanDisk SDSQUBL-1T00-AN6MA Ultra PLUS microSDXC card. The 160MB/sec. transfer speeds let you save time when moving photos and videos, while the 1TB storage capacity provides plenty of room for large multimedia files. This SanDisk Ultra PLUS microSDXC card with is compatible Android smartphones and tablets, letting you offload data faster, and the shockproof design ensures durability.
    See all microSDXC
    See all microSDXC
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