Transcend's SDXC/SDHC 300S memory cards provide the performance and capacity necessary to harness the full power of your UHS-I compliant digital camera or camcorder. In addition to incredible transfer speeds, the cards meet UHS Video Speed Class 30 (V30) standards, allowing for smooth, uninterrupted 4K video capture. With high durability and reliability, these memory cards are perfect for professional photographers and videographers who need dependable storage solutions for their high-resolution content.