SanDisk
SanDisk 256GB Micro SDXC Extreme A2 Card
★★★★★
Capture and Transfer Your Adventures with Extreme Speed The SanDisk 256GB Micro SDXC Extreme Memory Card is designed for high-performance recording and fast data transfer. Optimized for Android smartphones, cameras, and GoPro action cameras, this memory card allows you to capture Full HD and 4K U...
$32.20*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
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Overview
Capture and Transfer Your Adventures with Extreme Speed
The SanDisk 256GB Micro SDXC Extreme Memory Card is designed for high-performance recording and fast data transfer. Optimized for Android smartphones, cameras, and GoPro action cameras, this memory card allows you to capture Full HD and 4K Ultra HD video with ease.
Specifications:
- Capacity: 256GB
- Type: Micro SDXC
- Performance: UHS-I U3 A2
- Read Speed: 160MB/s
- Write Speed: 90MB/s
- Durability: Temperature-proof, water-proof, shock-proof, x-ray proof
- Included: Everything But Stromboli 3.0 Combo SD/Micro Reader
Key Features
Bundle includes: (1) 256GB Micro Extreme A2 Memory card and (1) Everything But Stromboli 3.0 Combo SD/Micro Reader
Compatible with the new Gopro Hero 7 Black, Hero7 Silver, Hero 7 White, Hero 6, Hero (2018), Hero 5, Karma Drone, Hero 4, Session, Hero 3, 3+, Hero + Black Silver White Cameras
Transfer speeds of 160MB/s read and 90MB/s write speeds for your smartphone or tablet
Temperature-proof, water-proof, shock-proof and x-ray proof - built for tough conditions!
3.0 Memory Card Reader will allow you to transfer data quickly, easily,and efficiently with 3.0 speeds!
Specifications
Capacity
256GB
Card Type
Micro SDXC Extreme A2
Read Speed
Up to 160MB/s
Write Speed
Up to 90MB/s
Environmental Protection
Temperature-proof, water-proof, shock-proof, x-ray proof
Included Accessory
Everything But Stromboli 3.0 Combo SD/Micro Reader
Reader Speed
3.0 speeds
GoPro Compatibility
Hero 7 Black, Hero7 Silver, Hero 7 White, Hero 6, Hero (2018), Hero 5, Karma Drone, Hero 4, Session, Hero 3, 3+, Hero + Black Silver White
Pros & Cons
👍 Pros
- Offers a generous 256GB storage capacity, accommodating a large volume of photos and videos.
- Achieves fast transfer speeds with up to 160MB/s read and 90MB/s write, improving workflow efficiency.
- Built to be temperature-proof, water-proof, shock-proof, and x-ray proof, ensuring data safety in harsh conditions.
- The included Everything But Stromboli 3.0 Combo SD/Micro Reader facilitates quick and efficient data transfer with 3.0 speeds.
- Specifically compatible with various GoPro Hero cameras, including Hero 7 Black, Hero 6, and Hero 5.
👎 Cons
- The full benefits of the 160MB/s read speed may only be realized with devices supporting that speed.
- Compatibility is specific to certain GoPro models and general smartphones/tablets, not all devices.
- The bundled reader is an additional accessory, which may not be needed by all users who already have a compatible reader.
- The A2 rating, while good for app performance, is primarily relevant for smartphone or tablet use, less so for dedicated cameras.
- While rugged, extreme conditions beyond the specified "proofs" could still potentially damage the card or data.
Frequently Asked Questions
What is the storage capacity of this SanDisk Micro SDXC card?
This SanDisk Micro SDXC Extreme A2 card offers a substantial 256GB of storage, suitable for extensive photo and video collections.
What are the maximum read and write speeds for this memory card?
This card boasts transfer speeds of up to 160MB/s for reading and 90MB/s for writing, optimizing data handling for smartphones and tablets.
Is this memory card durable enough for outdoor or adventurous use?
Yes, it is built to be temperature-proof, water-proof, shock-proof, and x-ray proof, ensuring reliability in tough conditions.
Which GoPro camera models are compatible with this SanDisk card?
This card is compatible with a wide range of GoPro models, including the Hero 7 Black, Hero 6, Hero (2018), Hero 5, Karma Drone, and various Hero 3 and 4 series cameras.
Does this product include a memory card reader?
Yes, this bundle includes one Everything But Stromboli 3.0 Combo SD/Micro Reader, designed for quick and efficient data transfer.
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