type ts16gcf133 capacity 16 gb speed 133 x speed 20 mbs operating voltage 3 3v5v dimension 42 8x36 4x3 3 mm weight 11 4 g transcends 133x cf card targets serious users who demand superior performance and reliability from their memory cards including professional photographers reporters and photography enthusiasts to ensure ultimate compatibility and speed it operates in both dual channel transfer and the ultra dma mode 4 standard