The Transcend 256GB Micro SD UHS-I U3 Memory Card, including the Adapter TS256GUSD300S-A, offers impressive specifications to meet various storage needs. With a maximum read speed of 95Mbps and a maximum write speed of 45Mbps, this card ensures efficient data transfer, whether you're accessing files or recording content.Utilizing 3D NAND flash technology, it enhances performance and reliability, while its UHS-I U3 speed class and V30 rating make it suitable for capturing high-resolution video content. Additionally, its A1 rating ensures smooth app performance on compatible devices.With dimensions of approximately 11 x 15 x 1mm and weighing just 0.4 grams, this memory card is compact and lightweight, making it convenient for use in digital cameras, smartphones, and tablets.Backed by a 5-year warranty, the Transcend 256GB Micro SD provides peace of mind regarding its quality and durability, ensuring long-term satisfaction and reliability for your storage needs.