Strontium NITRO series UHS-I SDHC/XC memory cards are an outstanding choice for 4K ultra HD video and high- resolution photo devices such as DSLR, mirrorless or 3D camera. It is available from 16GB-128GB capacities. Equipped with the latest video speed class rating, NITRO UHS-I SD cards support Full HD and 4K ultra HD video capturing. With the transfer speed of up to 95MB/s, it is superior in continuous shooting, capturing extended hours of 4K ultra HD or 3D videos and effectively accelerates your videography work processes. With strontium's 4-proof technology, NITRO SDHC/XC memory cards are designed for extreme working conditions against water, temperature, magnet and x-ray. Backed by strontium lifetime.