SanDisk
SanDisk 256GB Extreme microSD Memory Card
Best high-speed storage for mobile creators and action camera enthusiasts.
Elevate your mobile experience with the SanDisk 256GB Extreme microSDXC card. Designed for capturing life's moments in stunning detail, it's perfect for high-resolution photos and smooth 4K UHD video recording. Enjoy lightning-fast performance with read speeds up to 190MB/s and write speeds up to 130MB/s, plus optimized app performance thanks to its A2 rating. Built to withstand the elements, this card is shockproof, temperature-proof, waterproof, and x-ray proof, ensuring your data remains safe in any environment. It's a reliable and robust storage solution for your smartphone, tablet, or action camera.
$50.65
Owner Satisfaction
4.7
/ 5
Category Rank
16
/ 753
#16 in Flash Memory Cards
Price vs Category Average
-27%
Below average
Total Capacity
256
/ GB
Who it's for
- Content creators filming high-resolution 4K video and burst photography
- Mobile gamers and power users running demanding smartphone applications
- Outdoor adventurers using action cameras and drones in harsh environments
Who should skip it
- Budget-conscious shoppers looking for basic storage solutions
- Owners of older devices that cannot utilize high-speed performance
- Professional filmmakers requiring sustained performance for long-form 4K recording
Performance breakdown
Data Transfer Speed
Read speeds hit 190MB/s, making large file transfers feel instantaneous.
Video Recording Capability
V30 rating ensures seamless 4K UHD capture without dropped frames.
App Responsiveness
A2 rating significantly reduces load times for mobile applications and games.
Environmental Durability
Rugged construction protects your data against water, shock, and extreme temperatures.
Storage Capacity
256GB provides ample headroom for high-resolution media and extensive app libraries.
Reliability Standards
Lifetime limited warranty offers peace of mind for long-term data storage.
Key Specs
Total Capacity
256GB
Speed Rating
Class 10, U3, V30, A2
Write Speed
Up to 130MB/s
Read Speed
Up to 190MB/s
Form Factor
microSDXC
Interface
UHS-I
Durability
Shockproof, Waterproof, X-ray proof
Included Units
1
Features
- Capture stunning 4K UHD video and high-res photos
- Blazing fast speeds for quick file transfers
- Optimized for smooth app performance (A2 rated)
- Built tough: shock, water, temperature, and X-ray proof
- Expand your device's storage capacity
- Ideal for smartphones, tablets, and action cameras
What customers say
This SanDisk 256GB Extreme microSDXC card earns high praise for its exceptional performance and reliability. Users consistently report that its read and write speeds meet demanding standards, making it ideal for 4K video recording on drones and action cameras where sustained speed is crucial. Gamers also note significant improvements in load times on devices like the Nintendo Switch. While priced above budget options, customers feel the investment is justified by the card's proven durability and the trust associated with the SanDisk brand. The 256GB capacity strikes a great balance between space and cost, solidifying this card as a premium, dependable choice for enthusiast level digital capture.
Know before you buy
Yes, this card features a V30 speed rating, which is specifically designed to support the sustained write speeds required for smooth 4K UHD video recording.
The A2 rating indicates that the card is optimized for app performance. It allows your device to load and run apps directly from the memory card more efficiently, providing a smoother experience similar to internal storage.
Absolutely. The card is built to be shockproof, waterproof, temperature-proof, and X-ray proof, making it a reliable choice for action cameras and travel in challenging environments.
This card uses the microSDXC format. You should check your device's manual to ensure it supports the microSDXC standard, as older devices designed only for microSD or microSDHC may not be compatible.
SanDisk offers a lifetime limited warranty on this product, providing long-term peace of mind regarding the card's reliability and build quality.
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