SanDisk 16GB Class 10 Extreme UHS-I U 3 SDHC Memory Card, 60 MB/s Read & 40 MB/s Write Speed, 2 Pack (New Faster Version) Extreme SDHC 16GB Class 10 2-Pack Flash Storage - Secure Digital Card Extreme SDHC 16GB Class 10 2-Pack SanDisk SDSDXN2-016G-G46