Samsung MB-MD512S 512 GB MicroSDXC UHS-I Class 10Gotta go faster Wait less, play more with rapid sequential read and write speeds of up to 180 MB s and 130 MB s. Sprint through load screens and enjoy smooth transitions between games, thanks to A2 app performance designed for speed and convenience. Room for every adventure Plenty of room to fill in with what you love. Expand your game library to over 45 titles[1] with the vast 1TB capacity, and have space for high resolution snaps and high octane 4K