SanDisk Ultra 32GB SDHC Mem Card 100MB/s. Capacity: 32 GB, Flash memory type: SDHC, Flash memory class: Class 10, Internal memory type: UHS-I, Read speed: 100 MB/s, UHS speed class: Class 1 (U1). Security features: Shockproof, Temperature resistant, Waterproof, X-ray proof