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

The best memory cards for smartphones are the ones that offer the highest capacities at the best price. If you're looking to store lots of photos or videos on your phone, you'll want a large-capacity card that's fast and reliable. Browse the top-ranked list of smartphone memory cards below along with associated reviews and opinions.

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  1. Samsung - EVO Plus 64GB microSDXC UHS-I Memory Card with Adapter - Front_Zoom
    Top comment

    "It works perfectly fine in my nintendo switch - arrived quite fast and I verified it as a genuine card. Read/write speeds is fine for a device like the switch or for everyday smartphone use....[This review was collected as part of a promotion.] This memory card is a must for any samsung product, the transfer of data is very quick....Expand your memory"

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    Product Description

    The Micro SD Memory Card EVO Plus + Adapter gives you the freedom to do more. Store huge files, load games, and download the latest apps at lightning-fast speeds. Plus, it’s designed to be incredibly durable, resistant to water, high temperatures, magnets & more. All with the performance and reliability you expect from the world’s #1 flash memory brand.
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    Top comment

    "It works perfectly fine in my nintendo switch - arrived quite fast and I verified it as a genuine card. Read/write speeds is fine for a device like the switch or for everyday smartphone use....[This review was collected as part of a promotion.] This memory card is a must for any samsung product, the transfer of data is very quick....Expand your memory"

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    Product Description

    The Micro SD Memory Card EVO Plus + Adapter gives you the freedom to do more. Store huge files, load games, and download the latest apps at lightning-fast speeds. Plus, it’s designed to be incredibly durable, resistant to water, high temperatures, magnets & more. All with the performance and reliability you expect from the world’s #1 flash memory brand.
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    Your price for this item is $10.99
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  2. SanDisk - Ultra PLUS 256GB microSDXC UHS-I Memory Card - Front_Zoom

    Model: SDSQUBL-256G-AN6IA
    SKU: 6515483
    Top comment

    "Not the fastest, but good enough for surveillance camera & smartphone uses!...I looove mg memory card the best purchase to keep all my memories in this ring chip."

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    Product Description

    Store your digital files on this SanDisk SDSQUBL-256G-AN6IA Ultra PLUS microSDXC memory card. The 256GB storage capacity holds your large media files, while the transfer speeds of up to 160MB/sec. ensure swift performance. This SanDisk Ultra PLUS microSDXC memory card is waterproof and shockproof for lasting use, and the included adapter boosts connectivity for versatile application.
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    Top comment

    "Not the fastest, but good enough for surveillance camera & smartphone uses!...I looove mg memory card the best purchase to keep all my memories in this ring chip."

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    Product Description

    Store your digital files on this SanDisk SDSQUBL-256G-AN6IA Ultra PLUS microSDXC memory card. The 256GB storage capacity holds your large media files, while the transfer speeds of up to 160MB/sec. ensure swift performance. This SanDisk Ultra PLUS microSDXC memory card is waterproof and shockproof for lasting use, and the included adapter boosts connectivity for versatile application.
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    Your price for this item is $32.99
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  3. SanDisk - 128GB microSDXC High Endurance UHS-I Memory Card - Front_Zoom
    Top comment

    "Durable Card...Our dash cam was having issues with regular memory cards. This card has been working great!...Great Memory Card...This memory card does what it is supposed to do. Reliable and Fast. "

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    Product Description

    Designed to record for up to 10,000 hours, the SanDisk microSDXC High Endurance UHS-I Memory Card gives you the peace of mind that your dash cam, home monitoring or security system will capture crucial footage when it happens, recording and re-recording worry-free. The card is built tough too—ready to record in extreme heat or freezing cold, and it’s shockproof, waterproof and X-ray proof. Rated Class 10, U3 and V30 this SanDisk card has the speed you need to record in Full HD or 4K. Quickly transfer or back up your videos to a computer with read speeds up to 100MB/s.
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    Top comment

    "Durable Card...Our dash cam was having issues with regular memory cards. This card has been working great!...Great Memory Card...This memory card does what it is supposed to do. Reliable and Fast. "

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    Product Description

    Designed to record for up to 10,000 hours, the SanDisk microSDXC High Endurance UHS-I Memory Card gives you the peace of mind that your dash cam, home monitoring or security system will capture crucial footage when it happens, recording and re-recording worry-free. The card is built tough too—ready to record in extreme heat or freezing cold, and it’s shockproof, waterproof and X-ray proof. Rated Class 10, U3 and V30 this SanDisk card has the speed you need to record in Full HD or 4K. Quickly transfer or back up your videos to a computer with read speeds up to 100MB/s.
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    Your price for this item is $20.99
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  4. SanDisk - Extreme PLUS 1TB microSDXC UHS-I Memory Card - Front_Zoom

    Model: SDSQXBZ-1T00-ANCMA
    SKU: 6348584
    Top comment

    "Memory Card 1TB...I have taken pictures nonstop, I am a HUGE fan of having pictures for the years to come (memories). If you are a picture person, I highly recommend this memory card....I have nad Zero issues with this card since purchase. (I've used it in three different switch versions, smartphone, tablet and PC)"

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    Product Description

    Expand your device's storage capacity with this SanDisk Extreme PLUS microSDXC memory card. Fast read and write speeds of up to 170MB/sec. and 90MB/sec. allow fast performance and quick data transfer, while the 1TB capacity provides enough storage for all your photos, videos and files. This SanDisk Extreme PLUS microSDXC memory card captures full HD multimedia content in crisp clarity.
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    Top comment

    "Memory Card 1TB...I have taken pictures nonstop, I am a HUGE fan of having pictures for the years to come (memories). If you are a picture person, I highly recommend this memory card....I have nad Zero issues with this card since purchase. (I've used it in three different switch versions, smartphone, tablet and PC)"

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    Product Description

    Expand your device's storage capacity with this SanDisk Extreme PLUS microSDXC memory card. Fast read and write speeds of up to 170MB/sec. and 90MB/sec. allow fast performance and quick data transfer, while the 1TB capacity provides enough storage for all your photos, videos and files. This SanDisk Extreme PLUS microSDXC memory card captures full HD multimedia content in crisp clarity.
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    Your price for this item is $424.99
    Clearance
    The regular price is $499.99
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  5. SanDisk - 64GB microSDXC High Endurance UHS-I Memory Card - Front_Zoom
    Top comment

    "Fast card with a good UHS and video speed classification for the price. ...Nice micro SDXC card...Fast and durable micro SDXC card for smartphones and cameras."

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    Product Description

    Designed to record for up to 5,000 hours, the SanDisk microSDXC High Endurance UHS-I Memory Card gives you the peace of mind that your dash cam, home monitoring or security system will capture crucial footage when it happens, recording and re-recording worry-free. The card is built tough too—ready to record in extreme heat or freezing cold, and it’s shockproof, waterproof and X-ray proof. Rated Class 10, U3 and V30 this SanDisk card has the speed you need to record in Full HD or 4K. Quickly transfer or back up your videos to a computer with read speeds up to 100MB/s.
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    Top comment

    "Fast card with a good UHS and video speed classification for the price. ...Nice micro SDXC card...Fast and durable micro SDXC card for smartphones and cameras."

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    Product Description

    Designed to record for up to 5,000 hours, the SanDisk microSDXC High Endurance UHS-I Memory Card gives you the peace of mind that your dash cam, home monitoring or security system will capture crucial footage when it happens, recording and re-recording worry-free. The card is built tough too—ready to record in extreme heat or freezing cold, and it’s shockproof, waterproof and X-ray proof. Rated Class 10, U3 and V30 this SanDisk card has the speed you need to record in Full HD or 4K. Quickly transfer or back up your videos to a computer with read speeds up to 100MB/s.
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    Your price for this item is $13.99
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  6. SanDisk - Ultra PLUS 32GB microSDHC UHS-I Memory Card - Front_Zoom

    Model: SDSQUB3-032G-ANCIA
    SKU: 6346822
    Top comment

    "Good memory expansion for smartphone....Extra memory for my Samsung S5 Galaxy smartphone. No problems, works as intended, good value....Great for your smartphone...This micro card works awesome and 32 gb is enough."

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    Product Description

    SanDisk Ultra® PLUS microSDXC™ and microSDHC™ cards are fast for better pictures, app performance and Full HD video. Ideal for Android™ smartphones and tablets, these A1-rated cards load apps faster for a better smartphone experience. Built to perform in harsh conditions, SanDisk Ultra PLUS microSD™ cards are waterproof, temperature proof, shockproof and X-ray proof. This microSD card is also rated Class 10 and Video Speed Class 10 (V10) for Full HD video recording performance and comes with a lifetime warranty.
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    Top comment

    "Good memory expansion for smartphone....Extra memory for my Samsung S5 Galaxy smartphone. No problems, works as intended, good value....Great for your smartphone...This micro card works awesome and 32 gb is enough."

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    Product Description

    SanDisk Ultra® PLUS microSDXC™ and microSDHC™ cards are fast for better pictures, app performance and Full HD video. Ideal for Android™ smartphones and tablets, these A1-rated cards load apps faster for a better smartphone experience. Built to perform in harsh conditions, SanDisk Ultra PLUS microSD™ cards are waterproof, temperature proof, shockproof and X-ray proof. This microSD card is also rated Class 10 and Video Speed Class 10 (V10) for Full HD video recording performance and comes with a lifetime warranty.
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    Your price for this item is $10.99
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  7. SanDisk - Ultra PLUS 64GB microSDXC UHS-I Memory Card - Front_Zoom

    Model: SDSQUB3-064G-ANCIA
    SKU: 6346818

    Product Description

    SanDisk Ultra® PLUS microSDXC™ and microSDHC™ cards are fast for better pictures, app performance and Full HD video. Ideal for Android™ smartphones and tablets, these A1-rated cards load apps faster for a better smartphone experience. Built to perform in harsh conditions, SanDisk Ultra PLUS microSD™ cards are waterproof, temperature proof, shockproof and X-ray proof. This microSD card is also rated Class 10 and Video Speed Class 10 (V10) for Full HD video recording performance and comes with a lifetime warranty.
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    Product Description

    SanDisk Ultra® PLUS microSDXC™ and microSDHC™ cards are fast for better pictures, app performance and Full HD video. Ideal for Android™ smartphones and tablets, these A1-rated cards load apps faster for a better smartphone experience. Built to perform in harsh conditions, SanDisk Ultra PLUS microSD™ cards are waterproof, temperature proof, shockproof and X-ray proof. This microSD card is also rated Class 10 and Video Speed Class 10 (V10) for Full HD video recording performance and comes with a lifetime warranty.
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    Your price for this item is $13.99
    Clearance
    The regular price is $17.99
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  8. Samsung - EVO Plus 256GB microSDXC UHS-I Memory Card with Adapter - Front_Zoom
    Top comment

    "Memory vard3...Good memory card......................................256gb Micro Memory card...256gb micro memory card - Picked it up for Samsung phone at a great price and works as described."

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    Product Description

    The Micro SD Memory Card EVO Plus + Adapter gives you the freedom to do more. Store huge files, load games, and download the latest apps at lightning-fast speeds. Plus, it’s designed to be incredibly durable, resistant to water, high temperatures, magnets & more. All with the performance and reliability you expect from the world’s #1 flash memory brand.
    See all microSDXC
    Top comment

    "Memory vard3...Good memory card......................................256gb Micro Memory card...256gb micro memory card - Picked it up for Samsung phone at a great price and works as described."

    See all customer reviews

    Product Description

    The Micro SD Memory Card EVO Plus + Adapter gives you the freedom to do more. Store huge files, load games, and download the latest apps at lightning-fast speeds. Plus, it’s designed to be incredibly durable, resistant to water, high temperatures, magnets & more. All with the performance and reliability you expect from the world’s #1 flash memory brand.
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    Your price for this item is $22.99
    The previous price was $29.99
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  9. SanDisk - Extreme PLUS 32GB microSDHC UHS-I Memory Card - Front_Zoom

    Model: SDSQXWG-032G-ANCMA
    SKU: 9387066
    Top comment

    "Decent card...Nice card for the price. Speedy for use in smartphones...Excellent choice to all of my home smartphones...No matter what, smartphones are part of our life and need more and more memory/space - grabbed 4 memory MICRO SD cards on ThanksGiving and all my smartphones got upgraded with high memory/"

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    Product Description

    Get extreme speeds for fast transfer, app performance, and 4K UHD with the SanDisk Extreme PLUS microSDXC UHS-I Memory Card. Ideal for your Android smartphone, action cameras or drones, this high performance microSD does 4K UHD video recording, Full HD video, and high-resolution photos. The SanDisk Extreme PLUS microSDXC memory card reads up to 170MB/s and writes up to 90MB/s. It’s also A2-rated for fast app performance.
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    Top comment

    "Decent card...Nice card for the price. Speedy for use in smartphones...Excellent choice to all of my home smartphones...No matter what, smartphones are part of our life and need more and more memory/space - grabbed 4 memory MICRO SD cards on ThanksGiving and all my smartphones got upgraded with high memory/"

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    Product Description

    Get extreme speeds for fast transfer, app performance, and 4K UHD with the SanDisk Extreme PLUS microSDXC UHS-I Memory Card. Ideal for your Android smartphone, action cameras or drones, this high performance microSD does 4K UHD video recording, Full HD video, and high-resolution photos. The SanDisk Extreme PLUS microSDXC memory card reads up to 170MB/s and writes up to 90MB/s. It’s also A2-rated for fast app performance.
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    Your price for this item is $13.99
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  10. SanDisk - Ultra PLUS 256GB microSDXC UHS-I Memory Card - Front_Zoom

    Model: SDSQUB3-256G-ANCMA
    SKU: 6346823
    Top comment

    "Fantastic 256GB SanDisk Memory Card...I purchased several of these because of the dependability of the SanDisk name and the large capacity of 256GB. micro SDXC memory card. This micro memory card also includes a SanDisk adaptor so it will fit in any computer, tablet, camera, or smartphone....THis MicroSD Card worked great in my Smartphone!...Be careful of Generic SD Cards that are not reliable in Smartphones and other devices."

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    Product Description

    SanDisk Ultra® PLUS microSDHC and microSDXC cards are fast for better pictures, app performance and Full HD video. Ideal for Android smartphones and tablets, these A1-rated cards load apps faster for a better smartphone experience. Built to perform in harsh conditions, SanDisk Ultra PLUS microSD cards are waterproof, temperature proof, shockproof and X-ray proof. This microSD card is also rated Class 10 and Video Speed Class 10 (V10) for Full HD video recording performance and comes with a lifetime warranty.
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    Top comment

    "Fantastic 256GB SanDisk Memory Card...I purchased several of these because of the dependability of the SanDisk name and the large capacity of 256GB. micro SDXC memory card. This micro memory card also includes a SanDisk adaptor so it will fit in any computer, tablet, camera, or smartphone....THis MicroSD Card worked great in my Smartphone!...Be careful of Generic SD Cards that are not reliable in Smartphones and other devices."

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    Product Description

    SanDisk Ultra® PLUS microSDHC and microSDXC cards are fast for better pictures, app performance and Full HD video. Ideal for Android smartphones and tablets, these A1-rated cards load apps faster for a better smartphone experience. Built to perform in harsh conditions, SanDisk Ultra PLUS microSD cards are waterproof, temperature proof, shockproof and X-ray proof. This microSD card is also rated Class 10 and Video Speed Class 10 (V10) for Full HD video recording performance and comes with a lifetime warranty.
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    Your price for this item is $30.99
    Clearance
    The regular price is $59.99
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