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The Samsung PRO Plus is a UHS-I microSDXC card rated U3, V30 and A2, with claimed read/write speeds up to 180/130MB/s. That is fast enough for 4K video on phones and drones and for running apps and games from the card on Android devices. It is sold with a full-size SD adapter and carries a 10-year limited warranty plus water, temperature, X-ray, magnet, drop and wearout protection. Against SanDisk Extreme and Lexar Professional cards it holds its own on speed, though it stays on the UHS-I bus rather than the faster UHS-II interface.
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Owners of the PRO Plus line generally report speeds close to Samsung's claims and steady performance in phones, drones and the Switch. Complaints center on cards that fail early or arrive dead, and on the gap between advertised and sustained write speeds.
The Samsung PRO Plus is a 512GB microSDXC memory card that comes with an adapter. It works with compatible cameras, drones, gaming consoles, smartphones and tablets.
It has U3, Class 10, UHS-I, V30 and A2 ratings, with read/write speeds up to 180/130MB/s. The card is made for 4K video, fast burst photos, and storing apps and games. It has water, temperature, X-ray, magnet, drop and wearout protection, and a 10-year limited warranty. All firmware and components, including the DRAM and NAND, are produced in-house.
