Best microSDXC Memory Cards of 2025

Kenneth Collin Avatar
Kenneth Collin
Last Updated: 8 Feb 2025

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MicroSDXC memory cards are small, portable storage devices that are used to expand the storage capacity of smartphones, tablets, cameras, and other electronic devices. These cards come in different storage capacities, ranging from 16GB to 1TB, and offer fast transfer speeds to quickly move large files between devices. They are also compatible with a wide range of devices, making them a versatile storage solution for anyone who needs to store and transfer data on the go. Whether you need to store photos, videos, music or other files, microSDXC memory cards are a reliable and convenient option.

At a Glance: Our Top Picks

SanDisk 512GB Ultra microSDXC Card with Adapter Cover #TOP 1
SanDisk 512GB Ultra microSDXC Card with Adapter
ftb score rating icon 9.9
SanDisk Extreme PRO 256GB microSDXC Card Cover #TOP 2
SanDisk Extreme PRO 256GB microSDXC Card
ftb score rating icon 9.8
SanDisk Ultra 128GB microSDXC Memory Card Cover #TOP 3
SanDisk Ultra 128GB microSDXC Memory Card
ftb score rating icon 9.6

Top 10 microSDXC Memory Cards

#TOP 1

SanDisk 512GB Ultra microSDXC Card with Adapter

SDSQUAC-512G-GN6MA
Black
512 GB
SanDisk 512GB Ultra microSDXC Card with Adapter Cover
SanDisk 512GB Ultra microSDXC card + SD adapter, Memory card Full HD, up to 150 MB/s, For smartphones and Tablets, with A1 App Performance, UHS-I, Class 10, U1

The SanDisk Ultra microSDXC Card offers impressive features for Android smartphone and tablet users. With its high capacity, you can store countless hours of Full HD video, ensuring you never run out of space for your cherished moments. Enjoy blazing transfer speeds of up to 150MB/s, allowing you to move up to 1000 photos in just one minute. The A1-rated performance enables faster app loading, enhancing your overall smartphone experience. Additionally, the SanDisk Memory Zone app simplifies file management, helping you keep your device organised and free of clutter.

What We Like
High storage capacity
Fast transfer speeds
Optimised for apps
Easy file management
#TOP 2

SanDisk Extreme PRO 256GB microSDXC Card

SDSQXCD-256G-GN6MA
Black
256GB
SanDisk Extreme PRO 256GB microSDXC Card Cover
SanDisk Extreme PRO microSDXC™ UHS-I CARD - 256GB

The SanDisk Extreme PRO microSD is designed to enhance your media experience. With read speeds of up to 200MB/s, you can offload your files quickly, saving you valuable time. Its impressive write speeds of 140MB/s allow you to capture fast-action photos and shoot stunning 4K UHD videos effortlessly. Additionally, the card's A2 Specification ensures faster app performance, making your smartphone experience smoother. Lastly, its durable design means you can take it on all your adventures without worrying about damage.

What We Like
High read speeds
Fast write speeds
A2 app performance
Durable design

SanDisk Ultra 128GB microSDXC Memory Card

SDSQUA4-128G-GN6MA
Red/Grey
128GB
SanDisk Ultra 128GB microSDXC Memory Card Cover
SanDisk Ultra microSDXC UHS-I memory card 128 GB + adapter (A1, Class 10, U1, Full HD videos, up to 120 MB/s read speed),, Speed-Mbps/10x

The SanDisk Ultra microSDXC offers a generous 128 GB storage capacity, ideal for keeping your Full HD videos safe and accessible. It is compatible with devices that support microSDXC and UHS-I, ensuring that you can use it across various gadgets. With impressive transfer speeds of up to 120 MB/s, you can swiftly move a large number of photos, making it perfect for busy users. Additionally, the Class 10 rating enables seamless recording and viewing of Full HD videos, enhancing your media experience.

What We Like
High storage capacity
Fast transfer speeds
Full HD video support
A1 performance for apps
Wide device compatibility

Amazon Basics 128GB Micro SDXC Card with Adapter

Amazon Basics
LSMICRO128GU3
Black
128 GB
Amazon Basics 128GB Micro SDXC Card with Adapter Cover
Amazon Basics Micro SDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 128 GB, Black

The Amazon Basics Micro SDXC Card offers wide compatibility with a range of devices, including smartphones, tablets, and cameras. This high-quality storage solution is ideal for capturing high-resolution photos and recording Full HD or 4K videos, ensuring you can store your important memories without worry. With ultra-fast read speeds of up to 100 MB/s and write speeds of 60 MB/s, you can enjoy a smooth smartphone experience. Additionally, its lasting reliability features, such as shock resistance and water resistance, mean that your data remains safe in various conditions.

What We Like
Wide compatibility with devices
High-quality storage for videos
Ultra-fast read and write speeds
Durable and reliable design
#TOP 5

Lexar Silver Plus 256GB Micro SD Card

Silver Plus
Silver
256 GB
Lexar Silver Plus 256GB Micro SD Card Cover
Lexar Silver Plus 256GB Micro SD Card up to 205 MB/s, MicroSDXC UHS-I Flash Memory Card with Adapter, C10, U3, A2, V30, Full HD, 4K UHD, High Speed TF Card for Drone, Action Camera, Handheld Consoles

The Lexar Silver Plus Card offers impressive performance with maximum read speeds of 205MB/s, allowing you to transfer files swiftly. With maximum write speeds of 150MB/s, you can capture burst photos without missing any moments. It's rated V30 and U3, ensuring smooth recording of up to 4K 60fps ultra HD video. This card is widely compatible with various devices, including smartphones, tablets, drones, and action cameras, making it a versatile choice for all your filming needs.

What We Like
High-speed data transfer
Excellent for burst photography
Smooth 4K video recording
Broad device compatibility
#TOP 6

SanDisk 512GB Extreme PRO microSD Card

SDSQXCD-512G-GN6MA
Black
512GB
SanDisk 512GB Extreme PRO microSD Card Cover
SanDisk 512GB Extreme PRO microSDXC card + RescuePro Deluxe, up to 200 MB/s, with A2 App Performance, for smartphones, action cameras or drones UHS-I Class 10 U3 V30, Black

The SanDisk Extreme PRO microSD offers impressive card offload speeds of up to 200MB/s, allowing you to transfer files quickly and efficiently. With write speeds reaching 140MB/s, you can capture fast continuous shots without missing a moment. Designed with A2 rating, this card ensures faster loading times and improved in-app performance, making it perfect for gaming or multitasking. Additionally, it is built to withstand harsh conditions, being temperature-proof, water-proof, shock-proof, and X-ray proof, so you can use it confidently in any environment.

What We Like
Fast transfer speeds
High write speeds
A2 app performance
Durable in harsh conditions
#TOP 7

SanDisk 256GB Extreme microSDXC Card with Adapter

SDSQXAV-256G-GN6MA
Black
256 GB
SanDisk 256GB Extreme microSDXC Card with Adapter Cover
SanDisk 256GB Extreme microSDXC card +SD adapter, microSD card for smartphones, action cameras, drones, V30, up to 190 MB/s, SanDisk QuickFlow Technology, RescuePro Deluxe, UHS-I, 4k, V30, A2, C10, U3

The SanDisk Extreme microSDXC Card offers impressive card offload speeds of up to 190MB/s, thanks to its SanDisk QuickFlow Technology. This means you can quickly transfer your files, saving you valuable time. With write speeds reaching 130MB/s, it is perfect for fast shooting, ensuring you won't miss a moment. Additionally, the card is 4K UHD-ready, making it ideal for capturing high-quality video. Its A2 rating enhances app performance, allowing for faster loading times when using compatible devices.

What We Like
High-speed data transfer
Fast write speeds
4K video ready
A2 rated for app performance
#TOP 8

Vansuny 64GB Micro SD Card with A1 Class10 U3

64GB
Vansuny 64GB Micro SD Card with A1 Class10 U3 Cover
Vansuny 64GB Micro SD Card MicroSDXC Memory Card with A1 Class10 U3 V30 Full HD Video Recording TF Card (Micro SD Cards + SD Adapter)

The Vansuny 64GB Micro SD Card allows you to expand your device's storage effortlessly, making it perfect for smartphones, tablets, and action cameras. With ultra-fast speeds of up to 90MB/S for reading and 30MB/S for writing, you can transfer your photos and videos in no time. This card also supports 4K video recording, ensuring that your adventures are captured in stunning quality. Additionally, its A1 rating means you’ll experience quick app loading and smooth operation for your applications, enhancing your overall user experience.

What We Like
High-speed data transfer
Supports 4K video recording
Versatile compatibility with devices
Quick app performance
#TOP 9

Lexar 633x 64GB Micro SD Card

LMS0633064G-BNNAA
multi
64GB
Lexar 633x 64GB Micro SD Card Cover
Lexar 633x 64GB Micro SD Card, microSDXC UHS-I Card W/O SD Adapter, microSD Memory Card up to 100MB/s Read, A1, Class 10, U3, V30, TF Card for Smartphones/Tablets/IP Cameras (LMS0633064G-BNNAA)

The Lexar 64GB Micro SD is designed for use with smartphones, tablets, digital cameras, and action cameras. With A1 performance, it allows you to load apps faster, making it easier for you to capture and share your adventures on the go. This high-speed, Class 10 micro SDXC card is compatible with devices ranging from 64GB to 512GB, ensuring you have ample storage for high-resolution photos and 1080p Full-HD, 3D, and 4K UHD videos. You can also store important documents and music effortlessly.

What We Like
Fast app loading
High-resolution photo storage
Supports 4K UHD video
Compatible with various devices
#TOP 10

KOOTION 64GB Micro SD Card for Various Devices

TF-U1-64G-I
1×64GB
64GB
KOOTION 64GB Micro SD Card for Various Devices Cover
KOOTION 64GB Micro SD Card, UHD Video for GoPro, Action Camera, Drone, Smartphone, R/W up to 80/20MB/s MicroSDXC Memory Card UHS-I U1 Class 10

The KOOTION 64GB Micro SD offers substantial storage capacity, allowing you to store up to 57,954 photos or 160 movies in stunning 4K Full HD. With fast transfer speeds of up to 75 MB/s for reading and 20 MB/s for writing, you can quickly transfer files and enjoy seamless usage. This card is versatile, making it ideal for all your devices, from smartphones to drones. Its reliable design ensures data safety with features like water resistance and shockproof technology, giving you peace of mind while storing your important files.

What We Like
Large storage capacity
Fast transfer speeds
Wide application compatibility
Reliable and durable design
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What is microSDXC memory card?

(microSDXC) SDXC is an evolution of the SD / SDHC memory card standard. Whereas SDHC cards have a maximum storage capacity of 32 GB, the SDXC standard supports cards up to 2 TB (2048 GB). Just as with previous versions of the standard, there is a smaller "micro" version designed for small devices such as cell phones.

2. What is a microSDXC card used for?

MicroSD cards are more commonly used to expand the storage system of smartphones, drones, gaming devices and cameras. Hardware devices are also backward-compatible with microSD cards just like full-sized SD cards. The same rules apply for microSD cards as they do for SD cards.

3. Is microSDXC the same as microSD?

microSD: has a capacity of up to 2GB and works in any microSD slot. microSDHC: has a capacity of more than 2GB and up to 32GB and works in hardware that supports either SDHC and SDXC. microSDXC: has a capacity of more than 32GB and up to 2TB and is only supported in SDXC-compatible devices.

4. What is the difference between a SD card and a SDXC card?

SD (secure digital) cards are the oldest, least used and limited to 2GB of storage. SDHC (high capacity) cards can store up to 32 GB of data, while SDXC (extended capacity) cards can store up to 2 terabytes (2000 GB).

Editor's Notes

During our microsdxc memory card research, we found 206 microsdxc memory card products and shortlisted 10 quality products. We collected and analyzed 3,026,662 customer reviews through our big data system to write the microsdxc memory cards list. We found that most customers choose microsdxc memory cards with an average price of £13.64.

The microsdxc memory cards are available for purchase. We have researched hundreds of brands and picked the top brands of microsdxc memory cards, including SanDisk, Lexar, Vansuny, KOOTION. The seller of top 1 product has received honest feedback from 102 consumers with an average rating of 4.9.

Written by
Kenneth Collin Avatar

Kenneth Collin graduated from Imperial College, London, at 22. He is a UX/UI designer, a web developer, and a writer, amongst others. At age 14, Kenneth programmed his first app. Kenneth's app served as a remote control for censored devices. "When I was 8, I would pick up scraps from electronics and try to rebuild or at least fix them," Kenneth said in one of his recent articles on Home repairs for top gadgets.