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The SanDisk 512GB Extreme microSD Card delivers up to 190MB/s read and 130MB/s write speeds, supports 4K UHD recording, A2-rated app performance, and rugged durability for professional-grade storage.
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The SanDisk 512GB Extreme microSD Card is a professional-grade storage solution designed for high-performance applications like 4K UHD video recording, burst photography, and large file transfers. SanDisk 512GB Extreme microSD Card comes with read speeds of up to 190MB/s and write speeds of up to 130MB/s, SanDisk 512GB Extreme microSD Card it also offers ultra-fast performance to support demanding tasks across drones, action cameras, smartphones, and tablets.
SanDisk 512GB Extreme microSD Card is certified with UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) ratings, this microSD card ensures smooth, high-resolution video capture. Its A2 rating enhances app performance on compatible devices, allowing for faster app launches and seamless multitasking. Built for durability, it is temperature-proof, waterproof, shockproof, and X-ray-proof, ensuring reliable operation in extreme conditions.
Write speeds of up to 130MB/s
Capture fast-action photos or shoot 4K UHD video2 with write speeds of up to 130MB/s.9The SanDisk Extreme microSDXC™ UHS-I Card lets you shoot more and faster.
Great for capturing 4K UHD Video2
Ideal for recording outdoor adventures, weekend trips, or sporting events without skipping frames. With up to 1TB1, the SanDisk Extreme microSD UHS-I card lets you capture uninterrupted 4K UHD and Full HD video with its UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) ratings.5
Load apps faster with A2
Get faster app performance for an outstanding smartphone experience thanks to the SanDisk Extreme microSD card’s A27Specification.

When it comes to reliable and high-performance memory cards, SanDisk is a leading brand trusted by professionals and casual users alike. Whether you need a memory card for your smartphone, camera, gaming console, or drone, SanDisk offers a variety of options to suit your needs.
SanDisk manufactures different types of memory cards, each designed for specific devices and applications:
SanDisk memory cards come in a range of storage capacities, from 32GB to 1TB, allowing users to store thousands of photos, hours of videos, and large files without worrying about running out of space.
If you're unsure whether to buy SanDisk Ultra or SanDisk Extreme, here’s a quick comparison:
| Feature | SanDisk Ultra | SanDisk Extreme |
|---|---|---|
| Speed Class | UHS-I, Class 10, U1 | UHS-I, Class 10, U3, V30 |
| Read Speed | Up to 120MB/s | Up to 160MB/s |
| Write Speed | Lower | Faster (Supports 4K video) |
| Best For | Basic use, Full HD recording, smartphones | 4K UHD video, action cameras, drones, DSLRs |
| Durability | Water, temperature, X-ray, and shockproof | Enhanced durability for extreme conditions |
At FGTech Store, we offer genuine SanDisk memory cards at competitive prices. Here's why you should choose us:
✅ Authentic Products – 100% original SanDisk cards with a warranty.
✅ Best Prices – Affordable rates with seasonal discounts.
✅ Wide Variety – From microSD to high-speed SD and CompactFlash cards.
✅ Fast Shipping – Quick delivery to ensure you get your storage when you need it.
✅ Expert Support – Our team can help you choose the best memory card for your needs.
Explore our collection of SanDisk memory cards at FGTech Store and get the best performance for your device. Shop Now!Â
| Capacity | 512GB |
| Form Factor | microSDXC™ |
| Sequential Read Performance | Up to 190MB/s |
| Sequential Write Performance | Up to 130MB/s |
| Warranty | Lifetime Limited Warranty |
| Dimensions (L x W x H) | 1.02mm x 14.99mm x 10.92mm |
| Weight | 4.54gms |
| Model Number | SDSQXAV-512G-GN6MA |
| Operating Temperature | -25°C to 85°C |
| Non-Operating Temperature | -25°C to 85°C |
| Certifications | CE, FCC, C-Tick/RCM, UKCA, EAC, ICES |
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