Sandisk 128GB SDXC. Internal memory: 65536 MB, Flash card type: Secure Digital Extended Capacity (SDXC), Read speed: 45 MB/s. Width: 24 mm, Depth: 2.1 mm, Height: 32 mm. Operating temperature range (T-T): -25 - 85 °C, Storage temperature range (T-T): -40 - 85 °C. Colour of product: Black