Secure Digital High Capacity Card are a type of SD cards with a higher storage capacity than normal ones. These are theoretically capable of holding up to 2 terabytes of space, but are politically limited by the current standards to 32 gigabytes. | Secure Digital High Capacity Card are a type of SD cards with a higher storage capacity than normal ones. These are theoretically capable of holding up to 2 terabytes of space, but are politically limited by the current standards to 32 gigabytes. |