SanDisk
SanDisk SDSDXXG-256G-GN4IN - 256GB SDXC Extreme Pro - Memory Card
★★★★★
4KUHD
Capture High-Speed Performance with Confidence The SanDisk 256GB SDXC Extreme Pro Memory Card is engineered for reliability and speed, ideal for professional photographers and videographers. Capture stunning 4K UHD video and high-resolution images with confidence, knowing your data is safe and t...
$44.94*
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.
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Overview
Capture High-Speed Performance with Confidence
The SanDisk 256GB SDXC Extreme Pro Memory Card is engineered for reliability and speed, ideal for professional photographers and videographers. Capture stunning 4K UHD video and high-resolution images with confidence, knowing your data is safe and transfer speeds are lightning fast.
- Capacity: 256GB
- Card Type: SDXC
- Speed Class: V30, U3
- Read Speed: Up to 170 MB/s
- Compatibility: Works with Sony Alpha a6400 Mirrorless Camera (ILCE-6400/B)
- Durability: Water proof, temperature proof, shock proof, X-ray proof
- Bundle Includes: SanDisk 256GB SD Extreme Pro memory card and Everything But Stromboli Combo Card Reader
Key Features
Bundle includes (1) 256gb SD Extreme Pro memory card and (1) Everything But Stromboli (TM) Combo Card Reader - Includes SD, Micro SD, M2, and MS slots for easy transfer
The card of choice for professionals who need efficiency and speed in post-production
Compatible with Sony Alpha a6400 Mirrorless Digital Cameras
Can read speeds of up to 170MB/s speed. Write speeds of up to 90MB/s
Class 10 and UHS speed Class 3 (U3) and video speed Class 30 (V30) for 4K UHD video
Specifications
Capacity
256GB
Card Type
SDXC
Read Speed
Up to 170MB/s
Write Speed
Up to 90MB/s
Speed Class
Class 10
UHS Speed Class
U3
Video Speed Class
V30
Video Recording Support
4K UHD
Included Accessory
Everything But Stromboli (TM) Combo Card Reader (SD, Micro SD, M2, MS slots)
Compatible Camera
Sony Alpha a6400 Mirrorless Digital Cameras
Pros & Cons
👍 Pros
- Offers a generous 256GB capacity, providing ample storage for numerous photos and 4K UHD videos
- Features rapid read speeds of up to 170MB/s, enabling quick transfer of large files to a computer
- Provides fast write speeds of up to 90MB/s, crucial for continuous burst shooting and capturing 4K UHD video
- Rated Class 10, UHS Speed Class 3 (U3), and Video Speed Class 30 (V30), ensuring consistent performance for demanding video formats
- Comes bundled with an Everything But Stromboli (TM) Combo Card Reader, simplifying data transfer across various card types
- Endorsed as the "card of choice for professionals," highlighting its reliability and efficiency in post-production workflows
- Compatible with Sony Alpha a6400 Mirrorless Digital Cameras, ensuring seamless integration for specific users
👎 Cons
- The maximum read speed of 170MB/s may not be the absolute fastest available on the market, though still high
- Specific durability ratings (e.g., temperature, shock, X-ray proof) are not explicitly mentioned for extreme environments
- The included card reader is a "combo" reader, which might be overkill for users who only need an SD card reader
- Compatibility is specifically mentioned for Sony Alpha a6400, but general compatibility with other brands isn't explicitly detailed
- The professional focus might mean casual users won't fully utilize its advanced speed and class ratings
Frequently Asked Questions
What is the storage capacity of this SanDisk memory card?
This SanDisk Extreme Pro memory card offers a substantial storage capacity of 256GB, providing ample space for high-resolution photos and 4K UHD video recordings.
What are the read and write speeds of this card?
The card boasts impressive read speeds of up to 170MB/s, allowing for quick data transfer, and write speeds of up to 90MB/s, which supports demanding tasks like continuous burst shooting and 4K video recording.
Is this memory card suitable for recording 4K UHD video?
Yes, this SanDisk Extreme Pro card is rated with UHS Speed Class 3 (U3) and Video Speed Class 30 (V30), ensuring it meets the performance requirements for smooth and reliable 4K UHD video capture.
What is included in the bundle with this memory card?
The bundle includes one 256GB SD Extreme Pro memory card and one Everything But Stromboli (TM) Combo Card Reader, which features slots for SD, Micro SD, M2, and MS cards for easy file transfers.
Is this card specifically designed for certain cameras?
While highly versatile, this card is noted to be compatible with Sony Alpha a6400 Mirrorless Digital Cameras, and is considered the card of choice for professionals who require efficiency and speed in post-production.
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