Performance-wise, this microSDXC card boasts a maximum reading speed of 100MB/s and a writing speed of 90MB/s. It complies with multiple speed classes, including UHS Speed Class 3 (U3), Video Speed Class 30 (V30), and Application Class 1 (A1). Users can confidently save and playback up to approximately 41 hours of 4K video content without any hitches. In terms of physical dimensions, the microSDXC card measures 15 x 11 x 1 mm, weighs a mere 0.3 grams, and is backed by an impressive 5-year product warranty. Additionally, customers will receive an SD conversion adapter along with the product, further enhancing its versatility and compatibility across various devices. With the release of this high-capacity microSDXC card, KIOXIA is making significant strides in the realm of portable storage solutions.