The SanDisk Extreme 256GB SD Card is a fast V30 SDXC card for 4K video and burst photography — up to 180MB/s read and 130MB/s write, in a durable SanDisk design. Brand new in retail pack.
- ✓ 256GB SDXC — UHS-I, U3, V30 for 4K UHD video
- ✓ Up to 180MB/s read and 130MB/s write speeds
- ✓ Ideal for mirrorless, DSLR and 4K-capable cameras
- ✓ Brand new — genuine SanDisk retail pack
SanDisk Extreme is the step up from everyday cards for anyone shooting 4K video or fast bursts. V30 and U3 ratings guarantee the sustained write speed 4K recording needs, while write speeds up to 130MB/s keep up with continuous burst shooting. Read speeds up to 180MB/s (using SanDisk QuickFlow technology with a compatible reader) make offloading a full card to your computer quick.
With 256GB of space you can record hours of 4K footage or keep thousands of RAW photos on a single card. SanDisk builds Extreme cards to be shock-, temperature-, water- and X-ray-proof, so they hold up on location. It fits any device with an SDXC-compatible slot. This card is brand new and supplied in the genuine SanDisk retail pack.
Speed
180MB/s Read · 130MB/s Write
Fast writes for burst photos and 4K video, fast reads for quick transfers to your computer.
Video
V30 · 4K UHD
Video Speed Class 30 guarantees the sustained write speed needed for smooth 4K UHD recording.
Durable
Built for Location
Shock-, temperature-, water- and X-ray-proof design (per SanDisk) for shooting outdoors.
Right choice if you…
✔ Shoot 4K video on a mirrorless or DSLR camera
✔ Need fast burst shooting
✔ Want lots of space for RAW photos and video
✔ Want a trusted SanDisk card
✔ Want a genuine retail pack
Consider something else if…
✖ You need the fastest UHS-I card — see SanDisk Extreme PRO 256GB SD Card
✖ You only shoot photos and Full HD — see SanDisk Ultra 256GB SD Card
✖ You need less capacity — see SanDisk Extreme 128GB SD Card
Technical Specifications
| Brand | SanDisk |
| Series | Extreme |
| Capacity | 256GB |
| Format | SDXC (SD card) |
| Read Speed | Up to 180MB/s (with SanDisk QuickFlow) |
| Write Speed | Up to 130MB/s |
| Video Speed Class | V30, UHS Speed Class 3 (U3), Class 10 |
| Video | 4K UHD and Full HD |
| Bus Interface | UHS-I |
| Durability | Shock-, temperature-, water- and X-ray-proof (per SanDisk) |
| Packaging | Retail pack |
| Condition | Brand New — Retail Pack |
| Warranty | Manufacturer warranty |
In the Box
Frequently Asked Questions
Is the SanDisk Extreme 256GB good for 4K video?
Yes. It is rated V30 and U3, the speed classes cameras require for 4K UHD recording.
How fast is it?
Up to 180MB/s read (with SanDisk QuickFlow and a compatible reader) and up to 130MB/s write, per SanDisk. Real-world speed depends on your device.
Will it work in my camera?
It works in any device with an SDXC-compatible SD slot, which covers virtually all cameras made in the last decade.
Is it genuine SanDisk?
Yes. It is a genuine SanDisk Extreme card, brand new and supplied in the SanDisk retail pack.
What is the difference between Extreme and Extreme PRO?
Extreme PRO is SanDisk’s faster tier for professionals; Extreme offers V30 4K performance at a lower price and suits most enthusiast cameras.
Condition
Brand New — Retail Pack
Warranty
Manufacturer warranty
Delivery
4–5 Working Days · Fully Tracked
Also Available at maibo
Browse the full SD card range at maibo.




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