memory card for smartphones

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

If you're a smartphone user, you've probably noticed that your phone's storage is limited. If you want to take photos, videos, or save other files, you'll need to make room for them somewhere. Fortunately, there are plenty of ways to expand your phone's storage capacity. Browse the top-ranked list of memory cards for smartphones below along with associated reviews and opinions.

SanDisk - Extreme PLUS 128GB MicroSDXC UHS-I Memory Card
Model: SDSQXBD-128G-AN6MA
SKU: 6495763
Rating 4.8 out of 5 stars with 1469 reviews
Top comment
"Good storage for a smartphone...Nice fast card for using as storage in a smartphone. Fast read/writes (including video) and plenty of space....Great memory card...Always need memory cards, great deal on this memory card."
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Product Description
Expand your storage capacity with this SanDisk SDSQXBD-128G-AN6MA Extreme PLUS microSD. The 128 GB capacity provides plenty of space for photos, while the Video Speed Class 30 rating and UHS Speed Class 3 support captures high-quality 4K UHD and Full HD videos. This SanDisk Extreme PLUS microSD has write speeds of up to 90MB/sec. for faster performance.
See all microSDXC
Top comment
"Good storage for a smartphone...Nice fast card for using as storage in a smartphone. Fast read/writes (including video) and plenty of space....Great memory card...Always need memory cards, great deal on this memory card."
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Product Description
Expand your storage capacity with this SanDisk SDSQXBD-128G-AN6MA Extreme PLUS microSD. The 128 GB capacity provides plenty of space for photos, while the Video Speed Class 30 rating and UHS Speed Class 3 support captures high-quality 4K UHD and Full HD videos. This SanDisk Extreme PLUS microSD has write speeds of up to 90MB/sec. for faster performance.
See all microSDXC
See all microSDXC
SanDisk - Extreme 256GB microSDXC UHS-I Memory Card for Gaming
Model: SDSQXAV-256G-GN6GN
SKU: 6544308
Rating 4.8 out of 5 stars with 70 reviews
Top comment
"Memory card...Sandesk Memory card always, very reliable and good price....Yes To SD Card On Discount...I love that my Sony devices all uses memory sd cards. For my Xperia smartphone I pop in a sd card full of movies, pictures, movies, or documents. "
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Product Description
Optimized for mobile gaming, the 256GB Extreme UHS-I microSDXC Memory Card from SanDisk features a storage capacity of 256GB and supports maximum read speeds of up to190 MB/s and maximum write speeds of up to 130 MB/s. This card has also been designed with the V30 Video Speed Class rating, which guarantees minimum write speeds of at least 30 MB/s. All of this allows for users to immerse themselves in AAA, 3D, and VR gaming, as well as extreme sports videography and photography at resolutions of Ultra HD 4K (3840 x 2160) and Full HD (1920 x 1080). While this card has been designed for cameras that are UHS-I / V30 compatible, it may be used in devices that do not support UHS-I / V30. However, bear in mind that this card will then default to your device's speed class and bus rating, such as UHS-I and U3, which also support minimum write speeds of 30 MB/s, UHS-I and U1, which support minimum write speeds of 10 MB/s, or Class 10, which also supports minimum write speeds of 10 MB/s. Aside from support for UHS-I, V30, and U3, SanDisk also built this card with support for the Application Performance Class 2 (A2) spec, which includes optimizations to give Android users an improved mobile experience, delivering faster mobile app performance. The A2 spec allows the card to manage random read input-output access per second (IOPS) operations so it can quickly open apps and process accompanying tasks, such as audio, graphics, saved profiles, and in-app permissions. As with most SanDisk media, this memory card is able to withstand temperatures from -13 to 185°F, allowing you to take this card with you into extreme environments, such as snow and deserts. Protection is provided by a limited lifetime warranty.
See all microSDXC
Top comment
"Memory card...Sandesk Memory card always, very reliable and good price....Yes To SD Card On Discount...I love that my Sony devices all uses memory sd cards. For my Xperia smartphone I pop in a sd card full of movies, pictures, movies, or documents. "
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Product Description
Optimized for mobile gaming, the 256GB Extreme UHS-I microSDXC Memory Card from SanDisk features a storage capacity of 256GB and supports maximum read speeds of up to190 MB/s and maximum write speeds of up to 130 MB/s. This card has also been designed with the V30 Video Speed Class rating, which guarantees minimum write speeds of at least 30 MB/s. All of this allows for users to immerse themselves in AAA, 3D, and VR gaming, as well as extreme sports videography and photography at resolutions of Ultra HD 4K (3840 x 2160) and Full HD (1920 x 1080). While this card has been designed for cameras that are UHS-I / V30 compatible, it may be used in devices that do not support UHS-I / V30. However, bear in mind that this card will then default to your device's speed class and bus rating, such as UHS-I and U3, which also support minimum write speeds of 30 MB/s, UHS-I and U1, which support minimum write speeds of 10 MB/s, or Class 10, which also supports minimum write speeds of 10 MB/s. Aside from support for UHS-I, V30, and U3, SanDisk also built this card with support for the Application Performance Class 2 (A2) spec, which includes optimizations to give Android users an improved mobile experience, delivering faster mobile app performance. The A2 spec allows the card to manage random read input-output access per second (IOPS) operations so it can quickly open apps and process accompanying tasks, such as audio, graphics, saved profiles, and in-app permissions. As with most SanDisk media, this memory card is able to withstand temperatures from -13 to 185°F, allowing you to take this card with you into extreme environments, such as snow and deserts. Protection is provided by a limited lifetime warranty.
See all microSDXC
See all microSDXC
Rexing - 512GB MicroSDXC UHS-3 Full HD Video High Speed Transfer Monitoring SD Memory Card with Adapter
Model: BBY-MICROSD-512GB
SKU: 6598586
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Product Description
Designed for capturing full HD video and still photos using dash cameras, smartphones, tablets, and other microSDXC compatible devices. It features UHS Speed Class U3 and Speed Class 10.
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Product Description
Designed for capturing full HD video and still photos using dash cameras, smartphones, tablets, and other microSDXC compatible devices. It features UHS Speed Class U3 and Speed Class 10.
See all Back-Up & Dash Camera Accessories
See all Back-Up & Dash Camera Accessories
SanDisk - Extreme PLUS 64GB microSDXC UHS-I Memory Card
Model: SDSQXBU-064G-AN6MA
SKU: 6495764
Rating 4.8 out of 5 stars with 574 reviews
Top comment
"So perfect to camera, Smartphone and Nintendo, works really good!!...Good with memory transfering and compatible with not only phone but also with mobile devices. "
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Product Description
Store high-quality images with this 64GB SanDisk SDSQXBU-064G-AN6MA Extreme Plus MicroSDXC memory card. Shot speeds of up to 90 MB/sec. allow fast photo and video processing, while the 64GB capacity holds large media files. Featuring QuickFlow technology and read speeds of up to 200 MB/sec., this SanDisk Extreme Plus MicroSDXC memory card supports fast data transfer.
See all microSDXC
Top comment
"So perfect to camera, Smartphone and Nintendo, works really good!!...Good with memory transfering and compatible with not only phone but also with mobile devices. "
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Product Description
Store high-quality images with this 64GB SanDisk SDSQXBU-064G-AN6MA Extreme Plus MicroSDXC memory card. Shot speeds of up to 90 MB/sec. allow fast photo and video processing, while the 64GB capacity holds large media files. Featuring QuickFlow technology and read speeds of up to 200 MB/sec., this SanDisk Extreme Plus MicroSDXC memory card supports fast data transfer.
See all microSDXC
See all microSDXC
SanDisk - Extreme PLUS 32GB microSDHC UHS-I Memory Card
Model: SDSQXWG-032G-ANCMA
SKU: 9387066
Rating 4.8 out of 5 stars with 7529 reviews
Top comment
"Great Storage for mobile Devices...This SD Card is perfect for my smartphone, great speed and perfect for videos and big size files....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.
See all microSDHC
Top comment
"Great Storage for mobile Devices...This SD Card is perfect for my smartphone, great speed and perfect for videos and big size files....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.
See all microSDHC
See all microSDHC
SanDisk - Ultra PLUS 32GB microSDHC UHS-I Memory Card
Model: SDSQUB3-032G-ANCIA
SKU: 6346822
Rating 4.8 out of 5 stars with 4346 reviews
Top comment
"Good memory expansion for smartphone....Extra memory for my Samsung S5 Galaxy smartphone. No problems, works as intended, good value....makes for good back up memory cards...Keep em in my bag and can easily transfer pics from my camera to my samsung mobile."
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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.
See all microSDHC
Top comment
"Good memory expansion for smartphone....Extra memory for my Samsung S5 Galaxy smartphone. No problems, works as intended, good value....makes for good back up memory cards...Keep em in my bag and can easily transfer pics from my camera to my samsung mobile."
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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.
See all microSDHC
See all microSDHC
Samsung - EVO Plus 512GB microSDXC UHS-I Memory Card with Adapter
Model: MB-MC512KA/AM
SKU: 6473937
Rating 4.8 out of 5 stars with 470 reviews
Top comment
"Card...Good card with faster speed to used with mobile for extended storage...Great card at great price...Use for smartphone for video and photos, works perfectly"
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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
"Card...Good card with faster speed to used with mobile for extended storage...Great card at great price...Use for smartphone for video and photos, works perfectly"
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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
See all microSDXC
SanDisk - Ultra PLUS 128GB microSDXC UHS-I Memory Card
Model: SDSQUBC-128G-AN6IA
SKU: 6515480
Rating 4.8 out of 5 stars with 862 reviews
Top comment
"Compatible with the cameras, mobiles....Memory card...No problem from my end. This fits in any mobile device I have."
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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
"Compatible with the cameras, mobiles....Memory card...No problem from my end. This fits in any mobile device I have."
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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
See all microSDXC
SanDisk - Extreme PLUS 256GB microSDXC UHS-I Memory Card
Model: SDSQXBD-256G-AN6MA
SKU: 6495766
Rating 4.9 out of 5 stars with 2515 reviews
Top comment
"Memory card...What a memory card. Definitely keeping all my memories in order and the ease of use for devices is amazing...Sandisk memory card is a beast....Plenty of storage in this memory card. It's exactly what I need for my video and picture memories."
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Product Description
Keep records of your photos and videos with this SanDisk SDSQXBD-256G-AN6MA Extreme PLUS microSD card. The 256GB storage capacity offers ample space for media files, while the read speeds of up to 200MB/sec. support rapid file transfer. This SanDisk Extreme PLUS microSD card pairs with the SanDisk Memory Zone app for seamless file management.
See all microSDXC
Top comment
"Memory card...What a memory card. Definitely keeping all my memories in order and the ease of use for devices is amazing...Sandisk memory card is a beast....Plenty of storage in this memory card. It's exactly what I need for my video and picture memories."
See all customer reviews
Product Description
Keep records of your photos and videos with this SanDisk SDSQXBD-256G-AN6MA Extreme PLUS microSD card. The 256GB storage capacity offers ample space for media files, while the read speeds of up to 200MB/sec. support rapid file transfer. This SanDisk Extreme PLUS microSD card pairs with the SanDisk Memory Zone app for seamless file management.
See all microSDXC
See all microSDXC
Samsung - Pro Plus 512 GB microSDXC Memory Card
Model: MB-MD512SA/AM
SKU: 6540985
Rating 4.9 out of 5 stars with 798 reviews
Top comment
"More smartphone memory, good service...Needed more memory for my Samsung Galaxy Note Ultra phone. Geek Squad guys helped me transfer the data from the old micro SD card to this new one. ...I bought two cards in Best buy. The first - for laptop. The second/-for smartphone. "
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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
"More smartphone memory, good service...Needed more memory for my Samsung Galaxy Note Ultra phone. Geek Squad guys helped me transfer the data from the old micro SD card to this new one. ...I bought two cards in Best buy. The first - for laptop. The second/-for smartphone. "
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