Samsung 8GB Plus Micro SDHC Ultra High Speed UHS-1 Class 4 with Adapter (MB-MP8GBA/AM) 5-Proof Protection- Can endure 24 hours submerged in water and survive being run over by a 1.6 ton vehicle (SDHC, SDXC), not to mention the perils of the airport x-ray machines, magnetism and extreme temperatures Class 4 UHS-I - Up to 48MB/s Transfer Speed Full HD Video Recording