SanDisk Extreme 256GB microSDXC Card UHS-I U3 V30 190MBs SDSQXAV-256G-GN6MN Storage Capacity: 256GB Product Type: MicroSDXC Product Manufacturer: SanDisk Standard Warranty: Lifetime limited warranty Manufacturer Part Number: SDSQXAV-256G-GN6MN Speed Class Rating: Class 10 (190 MB/sec Read with U3, 130 MB/sec Write with U3) Packaging Details: Original Retail Packaging Built for and tested in harsh conditions: temperature-proof, water-proof, shock-proof and x-ray proof Unused, open box. Memory card is in perfect condition!