Electronics giant Sony has launched its SF-G Series of SD cards on Thursday and the company has reportedly claimed that they are the world's fastest SD cards with write speeds up to 299 Mbps and a read speed of 300 Mbps. The new SD cards will be made available in Spring 2017 and will be available in 32GB, 64GB, and 128GB capacities. The new SF-G series SD cards are also shock-proof, temperature-proof, waterproof, and X-ray-proof, and also has anti-static capabilities.