





With the SanDisk Extreme SD UHS-I memory card save time transferring media with read speeds of up to 180MB/s(1) powered by SanDisk QuickFlow Technology(2). Pair with the SanDisk Professional PRO-READER SD and microSD to achieve maximum speeds (sold separately). With shot speeds of up to 130MB/s(1) and UHS speed Class 3 (U3)(4) recording, you’re ready to capture high-resolution, stutter-free 4K UHD video(3). | Up to 180MB/s read speed. Engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, require compatible devices capable of reaching such speeds. Write speed up to 130MB/s. Based on internal testing; performance may be lower depending on host device, interface, usage conditions and other factors. 1MB=1,000,000 bytes. (2)SanDisk QuickFlow Technology is only available for 64GB, 128GB, 256GB, and 512GB capacities. 1GB=1,000,000,000 bytes. Actual user storage less. (4)UHS Speed Class 3 designates a performance option designed to support 4K UHD video recording with enabled UHS host devices. UHS Video Speed Class 30 (V30), sustained video capture rate of 30MB/s, designates a performance option designed to support real-time video recording with UHS enabled host devices. See the SD Association’s official website. (3)Full HD (1920×1080) and 4K UHD (3840 x 2160) video support may vary based upon host device, file attributes and other factors. See HD page on SanDisk site.
Save time with card offload speeds of up to 180MB/s powered by SanDisk QuickFlow Technology (Up to 180MB/s read speed. Engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, require 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. SanDisk QuickFlow Technology is only available for 64GB, 128GB, 256GB, and 512GB capacities. 1GB=1,000,000,000 bytes. Actual user storage less.)
Pair with the SanDisk Professional PRO-READER SD and microSD to achieve maximum speeds (sold separately)
Write speeds up to 130MB/s (Engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, require 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.)
Perfect for shooting 4K UHD video and sequential burst mode photography (Full HD (1920×1080) and 4K UHD (3840 x 2160) video support may vary based upon host device, file attributes and other factors. See HD page on SanDisk site.)
Capture uninterrupted video with UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) (UHS Speed Class 3 designates a performance option designed to support 4K UHD video recording with enabled UHS host devices. UHS Video Speed Class 30 (V30), sustained video capture rate of 30MB/s, designates a performance option designed to support real-time video recording with UHS enabled host devices. See the SD Association’s official website.)
13 reviews for SanDisk 256GB Extreme SDXC UHS-I Memory Card – C10, U3, V30, 4K, UHD, SD Card – SDSDXVV-256G-GNCIN
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$3.99

J. Martin –
Can’t go wrong with SanDisk
I’ve been using SanDisk products for many years in photography and other data applications, and they’ve never let me down. The write speeds are fast and consistent — perfect for high-resolution photos, video recording, and even Wi-Fi-enabled cameras. I also keep a few extra SanDisk cards on hand for backups, and they’ve proven just as reliable after years of use.Whether transferring large files or capturing bursts of photos, the performance stays smooth and dependable. The build quality feels solid, and I’ve never experienced data loss or corruption. In my experience, SanDisk continues to deliver excellent speed, reliability, and long-term durability — a brand I trust completely for my most important data. I haven’t looked at anything else.
Amazon Customer –
Reliable excellent read and write very quickly.
These were great and I Canon 5D Mark fours right quick read quick definitely need to get a few more
Aleyzhia West –
🫶
Those a great amount of storage for my camera
dune –
does the job
it is durable, pretty small, very fast transfer speed, and works great
GUOWEI LI –
Useful
Cheap and good office supplies
G. Henrich –
Good device
Working as expected. Good amount of space for pictures
Vitalii –
All good
Good
Alex T –
Fast, reliable, and plenty of space for my purposes
Fast, reliable, and plenty of space for my purposes. These SanDisk cards handle 4K vids without issues. Transfer speeds are good enough, files stay safe, and never had any failures. Excellent value for cameras, drones, file transfers, or whatever else you can think of.
Dhruv Dhandhukiya –
✅ What’s greatThis card is advertised to support 4K UHD video recording without stuttering, which makes it well-suited for video shooters.Amazon+2cameramemoryspeed.com+2One test of the “Extreme 150 MB/s UHS-I U3 V30 128 GB” version found read speeds up to ~153 MB/s and write speeds up to ~89 MB/s.cameramemoryspeed.comStrong reputation: Many users highlight its reliability, durability (waterproof, shockproof when compared to peers), and wide compatibility with cameras.Best Buy+1Good capacity (128GB) means you can store lots of RAW photos or extended 4K video clips without swapping cards too often.⚠️ Some things to keep in mindWhile the read and write speeds are good, they may not reach the maximum rated speeds in all real-world situations and not all card readers/cameras will allow full speed. For example, one review noted the read speed dropped when used in non-pro card readers.cameramemoryspeed.com+1If your camera supports UHS-II or higher (or very high bitrate 4K/6K/8K recording), a UHS-I card may be a bottleneck in some setups (though for many 4K setups it’s fine).DPReviewAs with all SD cards: always buy from a trusted seller (to avoid counterfeit cards) and format the card in your camera before use.🎯 My verdictIf you’re using a mid to high-end DSLR or mirrorless camera and you shoot 4K video (or lots of high-res stills), this card is a very solid choice. It gives a good mix of capacity, speed and reliability for many creators. Unless you’re doing ultra high-end cinema workflows (e.g., 8K or very high bit-rate RAW internal recording), you’ll likely find this card more than adequate.So yes — I’d recommend it for your setup (especially since you are into videography/photography for your digital marketing and content creation work).
Steve Crichton –
My favourite card, very reliable and suitably fast for reading and writing and the optimal capacity for taking raw files in a single session . I like the gold colour too.
Amazon Customer –
コンデジに使用していますが全く問題ありません。財布に優しい価格で満足です。
Zatorski –
O que dizer, nada! Excelente!Uso muito em minha câmera e computares, excelentes cartões são os da Sandisk!
user-MS3RBH1 –
Original product. Made my dslr from sleeping and thinking to capture photos to taking fast burst shots. Totally recommended for speed boost.