SSD-Level Speed with SD Express Leveraging PCIe Gen3x1 and NVMe protocols, it delivers up to 800MB/s read and 700MB/s write, making it 2.7 faster than UHSII and 8 faster than standard UHSI cards
Reliable Video & Photography Performance Supports Video Speed Class V30 and UHS Speed Class U3/Class10, with a guaranteed sustained write rate of nearly 150MB/s, ideal for capturing smooth 4K/8K content
High-Capacity Options for Gamers & Pros Available in 256GB and 512GB sizes, perfect for storing large game libraries (like on Nintendo Switch2) or high-res media files
Miniature SSD in microSD Form Delivers near-SSD performance in a compact 15111mm package, making it suitable for smartphones, drones, VR devices, action cams, and smart home gear
Built to Last Backed by a lifetime warranty, plus SD Association certification and robust design for secure, dependable long-term use
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Overview
Specs
Reviews
ADATA 512GB Premier Extreme microSDXC SD 7.1 Express Card for Nintendo Switch 2, PCIe Gen3 x1 / U3 / C10 / V30, Up to 800/700 MB/s, 4K Video Recording, Compatible w/ASUS ROG Ally (UD512GEX3L1-C)
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First Listed on Newegg
May 15, 2026
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