SanDisk Extreme PRO microSDXC Card 256GB
- 256GB microSDXC capacity
- U3, V30 video ratings, UHS-I bus
- A2 app performance rating
- Waterproof, shock and vibration proof
- Airport x-ray and temperature proof
Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A rugged microSDXC card for cameras, drones and phones, with video and app ratings and protection against water, shock and heat. The listing gives no read or write speeds and no adapter, so check those before buying.
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ASIN: B07G3JCG8ZCategory: Micro SD Cards
Overview
Flash memory in a sealed microSDXC shell carries this SanDisk card, using the UHS-I bus with video and app speed classes. The card resists water, shock, vibration, airport x-rays and temperature extremes, so it suits outdoor and travel gear.
Durability and a large capacity suit action cameras and drones that face rain and knocks. The listing leaves out read and write speeds, warranty and any adapter, so buyers have to rely on the speed class labels alone.
Who it's for
Outdoor shooters and travelers recording video in tough conditions get a card built to survive water and drops. Buyers comparing exact transfer figures will find nothing in this listing to compare.
Pros and cons
- Large capacity for video
- Video speed class for steady recording
- App performance rating
- Waterproof and shock proof
- Read and write speeds not listed
- No adapter mentioned
- No warranty term given
Performance notes
Recording stability comes from the card's video speed class, which sets a minimum sustained write for video. The application class governs how quickly apps run from the card. Actual transfer speed depends on the host device and reader.
Specifications
| Brand | SanDisk |
|---|---|
| Capacity & performance | |
| Memory storage capacity | 256 GB |
| Speed class | U3, V30 |
| Application performance class | A2 |
| Compatibility & installation | |
| Bus interface | UHS-I |
| Other details | |
| Flash memory type | microSDXC |
| Durability | Waterproof, shock and vibration proof, x-ray protected, temperature proof |
Frequently asked questions
Is the SanDisk Extreme Pro 256GB a full size SD card?
No. It is a microSDXC card. A full size SD slot needs an adapter, and none is mentioned in the listing.
Is the SanDisk Extreme Pro waterproof?
Yes. It is listed as waterproof, shock and vibration proof, protected from airport x-rays and temperature proof.