SanDisk

SanDisk SDSQXA1-256G-AN6MA 256GB Extreme microSDXC Card

Name: SanDisk SDSQXA1-256G-AN6MA 256GB Extreme microSDXC Card
Brand: SanDisk
SKU: SDSQXA1-256G-AN6MA

★★★★★4.5 (26 reviews)

Expand Your Storage with SanDisk Extreme microSDXCCapture life's adventures in stunning detail with the SanDisk 256GB Extreme microSDXC Memory Card. Optimized for smartphones, cameras, drones, and action cameras, this card is built to handle Full HD, 3D, and 4K video, as well as high-resolution p...

$149.99*

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*Price sourced from Amazon.com. Last updated:Jul 21, 2026.Price and availability are subject to change.

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Overview

Expand Your Storage with SanDisk Extreme microSDXC

Capture life's adventures in stunning detail with the SanDisk 256GB Extreme microSDXC Memory Card. Optimized for smartphones, cameras, drones, and action cameras, this card is built to handle Full HD, 3D, and 4K video, as well as high-resolution photos.

Specifications:

Capacity: 256GB
Compatibility: microSD devices
Bus Interface: UHS-I
Speed Class: V30 (Minimum Write Speed 30 MB/s)
UHS Speed Class: U3 (Minimum Write Speed 30 MB/s)
Read Speed: Up to 160 MB/s
Write Speed: Up to 90 MB/s
Includes: SD Adapter

Key Features

microSD to SD Adapter

Limited Lifetime

Specifications

Card Type

microSDXC

Storage Capacity

256GB

Included Accessory

microSD to SD Adapter

Warranty

Limited Lifetime

Frequently Asked Questions

What is the storage capacity of this SanDisk Extreme microSDXC card?

This SanDisk Extreme microSDXC card offers a generous 256GB of storage, providing ample space for photos, videos, and other data.

Does this memory card come with an adapter for standard SD card slots?

Yes, it includes a microSD to SD adapter, which allows you to use the card in devices that require a full-size SD card.

What kind of warranty is offered with this SanDisk Extreme microSDXC card?

This memory card is backed by a Limited Lifetime warranty, offering long-term peace of mind regarding its performance and reliability.

Is this card suitable for recording 4K Ultra HD video?

While specific speed classes are not listed, SanDisk's "Extreme" series is generally designed for demanding tasks like 4K Ultra HD video recording and high-speed burst photography.

Will this 256GB card work in older devices that use microSD cards?

Compatibility depends on the device; microSDXC cards use a different file system (exFAT) and have higher capacities, so older devices might not recognize the full 256GB or the card itself. Check your device's specifications for microSDXC support.

What Buyers Say

4.5 ★★★★★26 Amazon ratings

👍 Pros

Offers a substantial 256GB of storage capacity for extensive data needs on various devices.
Comes with a microSD to SD adapter, enhancing compatibility across different card slots and devices.
Supported by a limited lifetime warranty, providing long-term assurance for the product's durability and function.
Designed for extreme conditions, suggesting robust performance and reliability in demanding environments.
Ideal for high-resolution video recording and rapid photo capture due to its "Extreme" series designation.

👎 Cons

The specific read and write speeds are not provided, which makes it difficult to assess its performance compared to other cards for high-speed applications.
While an adapter is included, the card's primary format is microSDXC, requiring the adapter for full-size SD slots.
The "Limited Lifetime" warranty may have specific terms and conditions that could limit coverage in certain situations.
Users might need to verify compatibility with older devices that do not support microSDXC format or capacities beyond 32GB.
No explicit mention of specific protective features like water, temperature, or shock proofing, although it's an "Extreme" card.