Optimized for rapid-fire photo and video. Class 10 rating guarantees minimum write speed of 10 MB/S (The number of pictures, music and video files will vary according to the resolution of the device and the compressions algorithms used). Reliable performance. Up to 45 MB/s (Based on Gigastone internal testing; performance may vary depending on hosting device). 10 year warranty. Optimized for rapid-fire photo and video. Read speed up to 45 MB/s and write speed minimum 10 MB/s. Class 10 performance when used in a non-UHS-I capable device. Class 10 that deliver a minimum data transfer rate of 10 MB/s for optimum performance with SDHC/SDXC devices. SDHC--FAT32 formatting. 8 GB-32 GB. SDXC-exFAT formatting. 64 GB-128 GB. Please check that your electronic device supports the SDHC format. Capacity Information (Accessible capacity will be slightly less) 8 GB: 10 Megapixels 1,600, 12 Megapixels 1,320, MP3 (4 min) 128 Kbps 2,000, 64 Kbps 4,000. MPEG (Mins.) 720x480 320, HD Video (Mins.) 1920x1080 80. Warranty and Customer Service Information: www.gigastone.com. This package contains: One (1) SDHC UHS-1 card. CE listed.