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SanDisk 256GB Ultra SDXC UHS-I Memory Card - 100MB/s, C10, U1, Full HD, SD Card - SDSDUNR-256G-GN6IN

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Returnable until Jan 31, 2026

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Availability: Only 1 left in stock, order soon!
Fulfilled by CalvinNHobbs

Arrives Monday, Mar 16
Order within 23 hours and 26 minutes
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Capacity: 256GB


Style: Memory Card


Features

  • Fast for better pictures and Full HD video(2) | (2)Full HD (1920x1080) video support may vary based upon host device, file attributes, and other factors
  • Great choice for compact to mid-range point-and-shoot cameras
  • From 32GB to 256GB(1) to store tons of pictures and even more Full HD video(2) | (1)1GB=1,000,000,000 bytes Actual user storage less
  • Exceptional video recording performance with UHS Speed Class 1 (U1)(5) and Class 10 rating for Full HD video (1080p)(2) | (5)UHS Speed Class 1 (U1) designates a performance option to support real time video recording with UHS enabled host devices
  • Quick transfer speeds up to 100MB/s| Up to 100MB/s[64GB-256GB; 90MB/s for 32GB] read speed; write speed lower Based on internal testing; performance may be lower depending on host device, usage conditions, and other factors 1MB=1,000,000 bytes

Description

Take better pictures and Full HD videos(2) with your compact to mid-range point-and-shoot cameras and camcorders. With SanDisk Ultra UHS-I cards, you’ll benefit from faster downloads, high capacity and better performance to capture and store 32GB to 256GB(1) of high-quality pictures and Full HD video(2). Take advantage of ultra-fast read speeds of up to 100MB/s [64GB-256GB; 90MB/s for 32GB] to save time moving photos and videos from the card to your computer. SanDisk Ultra UHS-I cards(5) are water-proof, temperature-proof, X-ray proof, shockproof(4), compatible with SDHC and SDXC digital devices. | Note: Not all devices support SDXC memory card formats. Check with your device manufacturer for more details. | Up to 100MB/s[64GB-256GB; 90MB/s for 32GB] read speed; write speed lower. Based on internal testing; performance may be lower depending on host device, usage conditions, and other factors. 1MB=1,000,000 bytes. | (1)1GB=1,000,000,000 bytes. Actual user storage less. | (2)Full HD (1920x1080) video support may vary based upon host device, file attributes, and other factors. | (4)Card only. See product packaging and official SanDisk website for additional information and limitations. | (5)UHS Speed Class 1 (U1) designates a performance option designed to support real time video recording with UHS enabled host devices. See official SanDisk website for additional information and limitations. | SanDisk, the SanDisk logo, and SanDisk Ultra are registered trademarks or trademarks of Western Digital Corporation or its affiliates in the US and/or other countries. The SD, SDHC, and SDXC marks and logos are trademarks of SD-3C, LLC. All other marks are the property of their respective owners. | Copyright 2019 Western Digital Corporation or its affiliates. All rights reserved.

Brand: SanDisk


Model Name: SDSDUNR-256G-GN6IN


Flash Memory Type: SDXC


Memory Storage Capacity: 256 GB


Compatible Devices: Camera, Personal Computer


Color: ‎Black, Silver


Special Feature: ‎Drop Proof, Temperature Proof, Water Proof, X Ray Proof


Read Speed: ‎100 Megabytes Per Second


Item Weight: ‎0.01 Kilograms


Warranty Type: ‎Limited


Write Speed: ‎90 MB per second


Hardware Interface: ‎USB, microSDHC


Secure Digital Association Speed Class: ‎Class 10


Product Dimensions: ‎1.26"L x 0.94"W


Manufacturer: ‎Western Digital Technologies, Inc.


UPC: ‎619659178222


Global Trade Identification Number: ‎22


RAM: ‎128 GB


Item model number: ‎SDSDUNR-256G-GN6IN


Item Weight: ‎0.352 ounces


Item Dimensions LxWxH: ‎1.26 x 0.94 x 0.09 inches


Flash Memory Size: ‎256 GB


Is Discontinued By Manufacturer: ‎No


Date First Available: ‎October 4, 2019


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Mar 16

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
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  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

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Top Amazon Reviews


  • Works perfectly at a reasonable price
Capacity: 128GB Style: Memory Card
Works and lasts, a reliable card of decent quality at a reasonable price range.
Reviewed in the United States on October 24, 2025 by Belle

  • Very reliable and a great value.
I use these for professional broadcast H.264 4K video recorders and I have probably bought about 20 of these over the years - not one failure. Highly recommend.
Reviewed in the United States on November 8, 2025 by Datavideo

  • Great product
Capacity: 128GB Style: Memory Card
Great puduct. It has lots of memory and I am still using it.
Reviewed in the United States on November 25, 2025 by Pink

  • Works Great
Capacity: 32GB Style: Memory Card
Works great, good price, fast deliver.. thank you
Reviewed in the United States on November 18, 2025 by kenneth charley

  • Reliable Everyday Memory Card
Capacity: 32GB Style: Memory Card
This card turned out to be exactly what I needed for everyday photography. Popped it into my Canon DSLR, and it handles burst shots and HD video smoothly—no freezes, no lag, and no buffer drama. It’s compact, dependable, and slips into the slot without the flimsy feel you sometimes get with off-brand cards. Transfer speeds are quick enough that moving hundreds of photos after a weekend trip doesn’t feel like a chore. Of course, it’s not the heavy-duty card you’d grab for 4K video marathons or professional shoots where every millisecond counts. But for everyday snaps, travel photography, and general use, it delivers exactly what’s promised. Honestly, the peace of mind of using a brand you trust is half the value—this one earns its spot in my camera bag every time. ... show more
Reviewed in the United States on August 19, 2025 by Danny C.

  • Good quality
Capacity: 32GB Style: Memory Card
Good quality
Reviewed in the United States on November 23, 2025 by Hazel

  • Lots of storage
Capacity: 128GB Style: Memory Card
This SD card has a ton of space for all your picture and video needs!
Reviewed in the United States on November 6, 2025 by HoneyyTee

  • Functionality
Capacity: 32GB Style: Memory Card
Works
Reviewed in the United States on December 5, 2025 by Dany

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