Essential ULTRA 32GB Microsoft Surface 2 Pro MicroSDHC Card with custom format for Hi-Speed Lossless certified recording! With SD Adapter. (Class 10, up to 500x or 70MB/sec) This Factory Direct MicroSDHC card is specifically designed for the Microsoft Surface 2 Pro! Save, Backup, Archive while Easily Sharing your content collections with friends, family. SanDisk's removable storage solution is specifically designed for secure expansion slots. SPECIFICATIONS: Class 10, UHS-1, 350x-500x Read Speeds, Up to 70MB/s Read speed and Up to 25MB/s Write Speeds tested on a Mac &amp; PC. *BUY NOW - NEWEST VERSION NOW AVAILABLE!*