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Designed for SD devices that can capture Full HD, 3D, and 4K video, as well as raw and burst photography, the 256GB Extreme UHS-I SDXC Memory Card from SanDisk has a capacity of 256GB, is compatible with the UHS-I bus, and features a speed class rating of V30, which guarantees minimum write speeds of 30 MB/s. If your device does not support the V30 standard, this card also supports the U3 standard, which likewise guarantees minimum write speeds of 30 MB/s. Read speeds are supported up to 180 MB/s and write speeds max out at 130 MB/s. A built-in write-protect switch helps to safeguard against the accidental erasure of card data.
While this card has been designed for cameras that are UHS-I / V30 / U3 compatible, it may be used in devices that do not support UHS-I / V30 / U3. However, bear in mind that this card will then default to your device's speed class and bus rating, such as UHS-I and U1, which supports minimum write speeds of 10 MB/s, or Class 10, which also supports minimum write speeds of 10 MB/s.
As with most SanDisk cards, this memory card is shockproof, X-ray proof, waterproof, while also being able to withstand temperatures from -13 to 185°F, allowing you to take this card with you into extreme environments, such as snow, deserts, and pools. Should the card's data become compromised, you also benefit from the option to download RescuePRO Deluxe software as well as a limited lifetime warranty.
Definitions
HD Video
High-definition video (HD Video) refers to videos of higher quality and resolution than standard-definition video.
This involves display resolutions of 1,920 x 1080 pixels for 1080p HD Video.
Video support may vary based on host device, file attributes and other factors.
Full HD Video
Full high-definition video (Full HD video) refers to videos of an even higher quality and resolution than HD video. This involves a display resolution of 1,920 x 1,080 pixels for 1080p Full HD Video. Video support may vary based on host device, file attributes and other factors.
4K/4K Ultra HD Video
4K resolution falls under Ultra High Definition (UHD), a term that encompasses better resolution, color, and frame rates than HD. 4K resolution describes display devices or content having horizontal resolution on the order of 4,000 pixels. More specifically, 4K resolution can be broken down into True 4K and 4K UHD. True 4K (4K x 2K) has a resolution of 4,096 x 2,160 pixels. 4K UHD must have a minimum resolution of 3,840 pixels wide and 2,160 pixels high, making a 4K UHD screen the equivalent of two 1080p screens in height and two in length.
Several 4K resolutions exist in the fields of digital television and digital cinematography. In the movie projection industry, Digital Cinema Initiatives (DCI) is the dominant 4K standard. Video support may vary based on host device, file attributes, and other factors. 4K UHD is more commonly being used in a home context for their TV screens and is also becoming the standard for many premium smartphones and cameras. On the other hand, True 4K is often used by some projectors and many professional cameras.
With the arrival of 4K, there are four main resolution standards for use in the home: standard definition (480p/540p), high definition (720p), full high definition (1080p) and ultra-high definition (2160p).
Video Speed Class
There are three kinds of video speed classifications: Speed Class, UHS Speed Class, and Video Speed Class. These indicate the minimum sustained write speed necessary for video recording, so that minimum and constant speed is guaranteed for camcorders and cameras. If the card is not compatible with the quality the video is shot in, there may be issues such as dropped frames, recording error, and added noise. See below for potential Video Speed Class compatibility errors.
Speed Class is designated as Class 2, 4, 6 and 10, and UHS Speed Class is designated UHS Speed Class 1 or UHS Speed Class 3. The latest Video Speed Class was created to enable higher video resolution and recording features such as multiple video streams, 350 degree capture, VR content, or 8K and higher resolution video. Video Speed Class is designated as V10, V30, V60, and V90. Higher Video Speed Class supports higher resolution videos.
Higher class rated cards support high bit-rates of video and higher quality video recording. SanDisk Class 4 memory cards are ideal for HD video capture, and Class 10, UHS Speed Class 1 and UHS Speed Class 3 memory cards support Full HD and 4K Ultra HD video capture. Check your camera/camcorder for the recommended class rating.
For CompactFlash cards, look for Video Performance Guarantee (VPG). VPG-20 means Video Performance Guarantee enabled to ensure video recording at 20MB/s minimum sustained write speed. VPG-65 is Video Performance Guarantee enabled to ensure video recording at 65MB/s minimum sustained write speed. Performance may be lower depending on host device. 1MB=1,000,000 bytes.
| Speed Class |
UHS Speed Class | VideoSpeed Class | Sustained Write Speed | Video Recording Quality |
| - | - |  |
90MB/s1 | 8K+ Video |
| - | - |  |
60MB/s1 | 8K+ Video |
| - |  |
 |
30MB/s1 | 4K UHD Video |
 |
 |
 |
10MB/s1 | Full HD Video |
 |
- |  |
6MB/s1 | Full HD Video |
 |
- | - | - | HD Video |
 |
- | - | - | SD Video |
Capacity Charts
Device manufacturers use different compression codecs (such as MPEG-4, H.264, etc.) and bit rates, resulting in varying file sizes. Please see your host device manual for details.
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| Specifications | Packaging Info
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SanDisk 256GB Extreme 180MB/S UHS-I SDXC Memory Card
- Brands SanDisk
- Product Code:SanDisk 256GB Extreme 180MB/S UHS-I SDXC Memory Card
- Availability:In Stock
-
N$1,595.00