Samsung Evo Plus U3 512GB Micro SD Memory Card with Adapter Samsung Evo Plus U3 microSDXC cards are fast for better pictures, app performance, and Full HD video. Ideal for Android smartphones and tablets, these Class 10 / U3 speed cards load apps faster for an excellent smartphone experience. With 512GB storage, you have the capacity to take more pictures and Full HD video and capture life at its fullest. Up to 100 MB/s read and 60 MB/s write speed with class 10 and U3 compatibility; includes full-size SD adapter. Backed by 4-proof protection, the EVO Plus can withstand up to 72 hours in seawater, extreme temperatures, airport X-ray machines and magnetic fields equivalent to an MRI scanner Reasons to buy Samsung Evo Plus U3 512GB Micro SD Memory Card with Adapter Genuine Samsung Memory Card 512GB storage Class 10 / U3 speeds Includes standard SD size adapter