SANDISK - 256GB Extreme PRO SDXC UHS-I Memory Card: National Park Foundation Edition, R/W up to 250/170MB/s
Storage Capacity
256GBKey Accessories:
Related Item
About This Item
- Key Specs
- Storage Capacity: 256 gigabytes (Measured in megabytes (MB), gigabytes (GB) and terabytes (TB), this is the amount available for storing files, music, movies, photos and more. The total includes the capacity of the hard disk drive and solid state drive if both are included on the computer.)
- Maximum Read Speed: 250 megabytes per second (The greatest speed at which the device can read information; for example, opening files.)
- Maximum Write Speed: 170 megabytes per second (The greatest speed at which the device can write information; for example, saving files.)
- Memory Card Format: Secure Digital Extended Capacity (SDXC)
- General
- Brand: SANDISK
- Model Number: SDSDXXJ-256G-GN6SN
- Product Name: 256GB Extreme PRO SDXC UHS-I Memory Card: National Park Foundation Edition, R/W up to 250/170MB/s
- Color: Black
- Capacity
- Storage Capacity: 256 gigabytes (Measured in megabytes (MB), gigabytes (GB) and terabytes (TB), this is the amount available for storing files, music, movies, photos and more. The total includes the capacity of the hard disk drive and solid state drive if both are included on the computer.)
- Speed
- Maximum Read Speed: 250 megabytes per second (The greatest speed at which the device can read information; for example, opening files.)
- Maximum Write Speed: 170 megabytes per second (The greatest speed at which the device can write information; for example, saving files.)
- SD Speed Class: Class 10
- UHS Speed Class: U3
- Video Speed Class: V30
- Environmental
- Water Resistant: true (Resists some degree of water penetration.)
- Shock Resistant: true (Resists some degree of damage from impact.)
- X Ray Resistant: true
- Dimensions
- Product Height: 1.26 inches (The out of box height of the item. Height is measured as the vertical distance from the bottom of the item to the top as it would be primarily used or placed.)
- Product Width: 0.94 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
- Product Depth: 0.09 inches (The out of box depth of the item. Depth is measured as the distance from the front of the item to the back as it would be primarily used or placed.)
- Product Weight: 0.16 ounces (The out of box weight of the item.)
- Warranty
- Warranty - Parts: Limited lifetime
- Warranty - Labor: Limited lifetime
- Other
- UPC: 619659226213
Capture the beauty of America’s most treasured places with the limited edition SANDISK Extreme PRO SD UHS-I: National Park Foundation Edition. This card comes with an exclusive National Park Foundation sticker to show your support for America’s most iconic landscapes. With read speeds up to 250MB/s2 and write speeds of 170MB/s2 [256GB-1TB capacities1], you can capture 4K UHD3 footage—from mountain trails to slow-motion shots of cascading waterfalls. This card is built for the rugged beauty of America’s national parks. With up to 1TB1 of storage, you can document trails, treks, and tranquil moments effortlessly.
- Proud supporter of the National Park Foundation: Show your love for America’s parks with the officially licensed SanDisk Extreme PRO SD UHS-I: National Park Foundation Edition card. Each purchase helps us support the National Park Foundation and includes an exclusive sticker, so you can proudly display your passion while capturing unforgettable adventures from sunrise hikes to mountaintop views.
- Improved speeds: Save photos and videos even faster with blazing read speeds up to 250MB/s2 and write speeds up to 170MB/s2 [256GB-1TB capacities1]. So, you spend less time waiting, and more time chasing the next view.
- Shoot stunning 4K UHD3 in the wild: Whether you're filming waterfalls in slow-mo or capturing wildlife shots in burst at golden hour, the V30 and U3 video speed class4 lets you record in crisp 4K UHD3 with smooth, frame-by-frame precision — no skips, no stutters, just the moment as it was.
- Built for tough trails: From alpine snowfields to desert heat, this card is made to endure the elements. It’s temperature proof, humidity proof, waterproof, shock proof, drop proof, magnet proof, X-ray proof, and wear-out proof — built for the bumps, scrapes, splashes, and extremes of real outdoor adventure.
- Made to last for many adventures: Backed by a lifetime limited warranty, this card is in it for the long haul — just like your love for the great outdoors.
Whats Included
- Extreme Pro 256GB SDXC UHS-I Memory Card
Product Manuals
Disclaimers
- Not all devices support SDXC. Check with device manufacturer for more details.
- 1 1GB=1,000,000,000 bytes. 1TB=1,000,000,000,000 bytes. Actual user storage less.
- 2 [256GB-1TB] Up to 250MB/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 170MB/s. Based on internal testing; performance may be lower depending upon host device, interface, usage conditions and other factors. 1MB=1,000,000 bytes.
- 3 4K UHD (3840 x 2160) video support may vary based upon host device, file attributes and other factors. See www.sandisk.com/HD.
- 4 UHS Video Speed Class 30 (V30), sustained video capture rate of 30MB/s, and UHS Speed Class 3 designates a performance option designed to support real-time video recording with UHS enabled host devices. See www.sdcard.org/consumers/speed.
Q: Is this SD card resistant to water?
A: Yes, this SD card is water resistant.
Q: Is this SD card shock resistant?
A: Yes, this SD card is shock resistant.
Q: What is the maximum read speed this card supports?
A: This card supports a maximum read speed of 250 megabytes per second.
Q: Is this SD card X-ray resistant?
A: Yes, this SD card is X-ray resistant.
Q: What is the maximum write speed of this SD card?
A: The maximum write speed of this SD card is up to 170 megabytes per second.
Q: What type of memory card format does this card use?
A: This card uses Secure Digital Extended Capacity (SDXC) memory card format.
Q: Does this SD card have any warranty?
A: Yes, this SD card has a limited lifetime warranty for parts and labor.
Q: Is this a Class 10 card with exFAT capability?
A: Hi, thank you for contacting us. Please note that this is a Class 10 SDXC memory card and also carries UHS-I, U3, and V30 speed ratings, making it suitable for best performance on compatible devices. As an SDXC card (64GB and above), it is formatted with the exFAT file system, which supports large file sizes and capacities.
Reviews
Rating 4.9 out of 5 stars with 90 reviews
- Overall Performance (41)
- Storage Capacity (19)
- Speed (6)
Customer Images
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Compare similar products

Capture the beauty of America’s most treasured places with the limited edition SANDISK Extreme PRO SD UHS-I: National Park Foundation Edition. This card comes with an exclusive National Park Foundation sticker to show your support for America’s most iconic landscapes. With read speeds up to 250MB/s2 and write speeds of 170MB/s2 [256GB-1TB capacities1], you can capture 4K UHD3 footage—from mountain trails to slow-motion shots of cascading waterfalls. This card is built for the rugged beauty of America’s national parks. With up to 1TB1 of storage, you can document trails, treks, and tranquil moments effortlessly.

Improve your camera's performance with this SanDisk SDSDXXD-256G-ANCIN Extreme PRO SDXC memory card. The 256GB capacity accommodates large media files, while shot speeds of up to 140MB/seс. allow quick, stutter-free 4K UHD video recording. This SanDisk Extreme PRO SDXC memory card has a weather-resistant build to brave harsh conditions, and the QuickFlow technology supports fast data transfer.

Capture the beauty of America’s most treasured places with the limited edition SANDISK Extreme PRO SD UHS-I: National Park Foundation Edition. This card comes with an exclusive National Park Foundation sticker to show your support for America’s most iconic landscapes. With read speeds up to 250MB/s2 and write speeds of 170MB/s2 [256GB-1TB capacities1], you can capture 4K UHD3 footage—from mountain trails to slow-motion shots of cascading waterfalls. This card is built for the rugged beauty of America’s national parks. With up to 1TB1 of storage, you can document trails, treks, and tranquil moments effortlessly.

Capture the beauty of America’s most treasured places with the limited edition SANDISK Extreme PRO SD UHS-I: National Park Foundation Edition. This card comes with an exclusive National Park Foundation sticker to show your support for America’s most iconic landscapes. With read speeds up to 250MB/s2 and write speeds of 170MB/s2 [256GB-1TB capacities1], you can capture 4K UHD3 footage—from mountain trails to slow-motion shots of cascading waterfalls. This card is built for the rugged beauty of America’s national parks. With up to 1TB1 of storage, you can document trails, treks, and tranquil moments effortlessly.
| Pros for SANDISK - 256GB Extreme PRO SDXC UHS-I Memory Card: National Park Foundation Edition, R/W up to 250/170MB/s | |||
|---|---|---|---|
| Overall Performance, Storage Capacity, Speed | There were no pros for this product— | Overall Performance, Storage Capacity, Speed, Ease of Use, Photo Quality | Storage Capacity, Performance |




































































