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Sandisk

SANDISK 256GB Ultra SDXC UHS-I Memory Card - Up to 150MB/s, C10, U1, Full HD, SD Card - SDSDUNC-256G-GN6IN

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Condition: Used - Very Good
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Availability: Only 3 left in stock, order soon!
Fulfilled by Amazon
Arrives Friday, Aug 7
Order within 19 hours and 36 minutes
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Style: Old Version


Capacity: 256GB


Features

  • Great choice for compact to mid-range point-and-shoot cameras
  • Quick transfer speeds up to 150MB/s (Up to 150MB/s read speed engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, requires compatible devices capable of reaching such speeds. Based on internal testing; performance may be lower depending on host device, interface, usage conditions and other factors. 1MB=1,000,000 bytes.)
  • Up to 256GB to store tons of pictures (1GB=1,000,000,000 bytes. Actual user storage less.)
  • Exceptional video recording performance with UHS Speed Class 1 (U1) Class 10 rating for Full HD video (1080p) (UHS Speed Class 1 (U1) designates a performance option designed to support real time video recording with UHS enabled host devices. See consumers speed page on SanDisk site. Full HD (1920x1080) video support may vary based upon host device, file attributes, and other factors. Visit the SanDisk Video Knowledge Base for more information.)
  • Compatible with SanDisk SD UHS-I card reader (sold separately)

Description

Take better pictures and Full HD videos with your compact to mid-range point- and-shoot cameras and camcorders. Available in capacities up to 512GB and speeds up to 150MB/s, the SanDisk Ultra SD cards are ideal for storing and quickly transferring tons of pictures and hours of video to your computer. (Full HD (1920x1080) video support may vary based upon host device, file attributes, and other factors. Visit the SanDisk Video Knowledge Base for more information. 1GB=1,000,000,000 bytes. Actual user storage less. Up to 150MB/s read speed engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, requires compatible devices capable of reaching such speeds. Based on internal testing; performance may be lower depending on host device, interface, usage conditions and other factors. 1MB=1,000,000 bytes).

Brand: Sandisk


Model Name: ‎SanDisk Ultra SD UHS-I card


Flash Memory Type: SDXC


Memory Storage Capacity: 256 GB


Compatible Devices: Compact to mid-range camcorders, Compact to mid-range cameras


Flash Memory Type: SDXC


Memory Storage Capacity: 256 GB


Compatible Devices: Compact to mid-range camcorders, Compact to mid-range cameras


Additional Features: Drop Proof, Magnetic Proof, Temperature Proof, Water Proof, X Ray Proof


Read Speed: 150 Megabytes Per Second


Media Speed: 150 MB/s


Hardware Connectivity: SDXC


Secure Digital Association Speed Class: Class 10


Item Weight: 2.27 g


Item Dimensions L x W: 1.26"L x 0.94"W


Item Dimensions D x W x H: 1.26"D x 0.94"W x 0.09"H


Warranty Type: 10 year limited manufacturer waranty


Brand: Sandisk


Model Name: ‎SanDisk Ultra SD UHS-I card


Model Number: SDSDUNC-256G-GN6IN


Manufacturer: Sandisk Technologies, Inc.


UPC: 619659200237


Mfr Part Number: SDSDUNC-256G-GN6IN


Built-In Media: Item


Unit Count: 1.0 Count


Warranty Description: 10 year limited manufacturer warranty


Color: Grey, Multicolor


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, Aug 7

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.

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Leasing options through Acima may also be available during checkout.

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Top Amazon Reviews

    • Reliable storage with good performance
Style: Old Version Capacity: 64GB
This memory card works exactly as expected. It offers fast read speeds, making it easy to transfer photos and videos quickly. It’s perfect for cameras, laptops, or other compatible devices. I’ve used it for storing high-resolution images and Full HD videos without any issues. It’s reliable, and I haven’t experienced data loss or corruption. While it’s not the fastest option for professional 4K video recording, it’s excellent for everyday use. Great value for the price and a trusted brand. ... show more
Reviewed in the United States on May 6, 2026 by Deivi García
    • Fast, dependable, and hasn't failed me yet!
Style: Old Version Capacity: 128GB
I have been using this SanDisk 128GB Ultra SDXC card for a while now, and it has been absolutely flawless. When you're constantly shooting photos or transferring large files, the absolute last thing you want to worry about is card corruption or lagging write speeds—and this card delivers complete peace of mind. The 140MB/s transfer speed is incredibly snappy, making it quick and painless to offload data onto a computer without sitting around waiting forever. It captures Full HD video seamlessly with zero dropped frames, and it works perfectly across multiple devices without any compatibility hiccups. It’s durable, reliable, and has given me zero issues. For a high-capacity card from a trusted brand, you absolutely cannot beat the value. It hasn't failed me yet, and I highly recommend it! ... show more
Reviewed in the United States on June 9, 2026 by Emery L.
    • Great Storage & Reliable Performance
Style: Old Version Capacity: 128GB
This SD card has worked perfectly for storing all of my photos and videos! The 128GB gives plenty of space, and it transfers files quickly without any issues. Super reliable and easy to use in my camera. I’ve used SanDisk products before and this one definitely lived up to expectations. Great quality for the price and exactly what I needed! ... show more
Reviewed in the United States on May 18, 2026 by MAGGI VEGA
    • Great memory card
Style: Old Version Capacity: 64GB
Great product the packaging was 10 out of 10 and it works great for photos or if you need more storage either on your computer or a portable gaming device
Reviewed in the United States on May 20, 2026 by Luka Ramos
    • Perfect SD Card for Photos and Video
Style: Old Version Capacity: 64GB
This SanDisk 64GB SD card has been great so far. It works perfectly with my camera and transfers files quickly without any issues. The speeds are solid, especially for photos and Full HD video, and I have not experienced any lag or delays. It is very easy to use, just insert it and it is ready to go. The 64GB size is perfect for storing a large number of photos and videos without constantly needing to clear space. SanDisk is a brand I trust, and this card feels dependable for everyday use. I also like that it is durable and has held up well with regular use. Overall, this is a great, affordable option if you need a reliable SD card for photography or video. Definitely recommend it. ... show more
Reviewed in the United States on March 27, 2026 by Jay Bay
    • Perfect for All My Storage Needs!
Style: Old Version Capacity: 256GB
I recently purchased the SanDisk 256GB Ultra SDXC UHS-I Memory Card, and I couldn't be happier with my decision! This memory card has proven to be incredibly reliable and fast, making it perfect for my photography and videography needs.The read speeds are impressive, allowing for quick transfer of files to my laptop. I've been able to shoot high-resolution photos and 4K videos without any hiccups. Plus, the large 256GB capacity means I can store thousands of images and hours of footage without constantly worrying about running out of space.What really stands out is the durability of this card. It's built to withstand harsh conditions, and I appreciate the fact that it’s water-resistant, temperature-proof, and shock-proof. This gives me peace of mind when I'm out in the field.Overall, I highly recommend the SanDisk 256GB Ultra SDXC UHS-I Memory Card to anyone looking for a reliable and high-performance storage solution. It has exceeded my expectations and makes managing my media a breeze! ... show more
Reviewed in the United States on November 13, 2025 by Bokugyo
    • Reliable SD Card — Fast, Easy to Use, and Great Storage! Reliable SD Card — Fast, Easy to Use, and Great Storage!
Style: Old Version Capacity: 256GB
Review Image by Sabrina
Review Image by Sabrina
This SD card is exactly what I needed! It’s super easy to use — just pop it into your camera, phone, or other devices, and it works right away. I used mine mainly for storing photos, videos, and some files, and it handles everything smoothly. The speed is great — transferring photos and videos is fast with no lag or errors. I’ve even used it to record HD videos, and the files saved quickly with no issues. It’s perfect for both everyday use and bigger projects where you need reliable storage. What I really like is that the storage space is exactly as described, and it doesn’t slow down as it fills up. Some SD cards I've used before started glitching when they got close to full, but this one stays fast and stable. The card feels sturdy and well-made, and it comes in a small plastic case, which is really helpful for keeping it safe when I’m not using it. If you need a good, reliable SD card for photos, videos, or extra storage, this one is perfect. It’s fast, simple, and totally dependable. I would definitely buy another one! ... show more
Reviewed in the United States on July 4, 2025 Reviewed in the United States on July 4, 2025 by Sabrina
    • Reliable Performance
Style: Old Version Capacity: 128GB
This memory card is a solid choice for any compact or mid-range point-and-shoot camera. It's fast enough to keep up with most recording needs and the storage capacity is great (although I haven't quite filled it yet). I mainly use this card in my trail camera, where it records clear footage of wildlife like coyotes, deer, and even the occasional bobcat. The image quality is good enough for me; sometimes you can see individual hairs on a coyote's tail! This card is perfect if you want to capture those unexpected moments without worrying about running out of space too soon. I was originally looking at some cheaper brands but decided to go with SanDisk because they have a solid reputation and I wanted something reliable (I mean, you don't want your trail camera to fail when there's a mountain lion lurking around). Now, the write speed is advertised as up to 140MB/s, which is pretty good for its class. But who knows what that really means in the real world? I haven't noticed any issues with lag or dropped frames though (though sometimes it takes forever for my computer to read the card, but maybe that's just a problem with my old laptop). Overall, this is an excellent choice for anyone looking for a reliable and fast SDXC card. It's worth every penny if you ask me. ... show more
Reviewed in the United States on February 25, 2025 by ryross

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