Product Overview
The SanDisk Ultra 256GB SDXC UHS-I Memory Card (SDSDUNC-256G-GN6IN) is a high-performance full-size SD memory card designed for compact cameras, mirrorless cameras, camcorders, laptops, and other SDXC-compatible devices. With a generous 256GB storage capacity, UHS-I interface, and read speeds of up to 150MB/s, it provides fast file transfers and reliable performance for capturing high-resolution photos and Full HD videos. It is an excellent choice for photographers, content creators, students, and everyday users who need dependable storage and quick access to their files.
The card delivers read speeds of up to 150MB/s, allowing users to transfer large batches of photos and videos to a computer quickly when paired with a compatible UHS-I card reader. Its Class 10 and UHS Speed Class 1 (U1) ratings ensure smooth and consistent performance for Full HD (1080p) video recording and continuous photo shooting. Write speeds are lower than read speeds and vary depending on the host device.
With 256GB of storage, the card can hold thousands of high-resolution photos or hours of Full HD video, reducing the need to frequently swap memory cards during extended shooting sessions. It is compatible with SDXC, SDXC-I, and other UHS-I enabled devices that support the SDXC standard.
Built for durability, the SanDisk Ultra SDXC card is waterproof, temperature-proof, shockproof, and X-ray proof, helping protect your valuable data in a variety of environments and travel conditions. It also includes access to RescuePRO Deluxe data recovery software (download required), making it easier to recover accidentally deleted files.
Backed by a 10-year limited warranty, the SanDisk Ultra 256GB SDXC UHS-I Memory Card combines large capacity, reliable performance, and rugged durability, making it an excellent storage solution for everyday photography, Full HD video recording, travel, education, and multimedia applications.
Key Specifications
Brand: SanDisk
Model: Ultra SDXC UHS-I
Model Number: SDSDUNC-256G-GN6IN
Storage Capacity: 256GB
Card Type: SDXC
Interface: UHS-I
Speed Class: Class 10
UHS Speed Class: U1
Maximum Read Speed: Up to 150MB/s
Write Speed: Lower than read speed (device dependent)
Video Recording Support: Full HD (1080p)
Compatibility: SDXC, SDXC-I, and UHS-I compatible cameras, camcorders, laptops, and card readers
Durability Features:
Waterproof
Shockproof
Temperature-proof
X-ray proof
Ideal Use: Photography, Full HD Video Recording, Travel, Content Creation, Education, Everyday Storage









