SDXC Class 10 (Premium) For demanding users who require maximum storage capacity during extended HD video recording sessions, Transcend’s Ultimate SDXC Class 10 cards not only offer extra storage space, but also help improve camera performance. Featuring the efficient new exFAT file system, these memory cards are the ideal complement to today’s high-end SDXC-compatible DSLR cameras and HD camcorders. Size 32mm x 24mm x 2.1mm Op. Voltage 2.7V~3.6V Op. Temperature -25°C(-13°F) to 85°C(185°F) Durability 10,000 insertion/removal cycles Weight 2g Compatibility Ideal upgrade for digital cameras and camcorders