Sony SONY SDXC 64GB Class10 UHS-I corresponding SF-64UY3

Product Type: SDXC Memory Card Model: SF-64UY3 Series: SF-UY3 Series Capacity: 64GB Interface: UHS-I Transfer Performance - Read Speed: Up to 90MB/s - Interface: UHS-I - Designed for fast transfer of photos and video files. Speed Class - SD Speed Class: Class 10 - UHS Speed Class: U1 - SF-64UY3 → U1 / Class 10 - SF-64UX2 → U3 / V30 / Class 10 Capacity - Nominal Capacity: 64GB - Usable Capacity: 57.6GB - Sony specifies 61,847,527,424 bytes usable capacity. Dimensions - 24 × 32 × 2.1mm (W × H × D) Weight - Approx. 2g