Kingston Technology, Inc. Manufactures High Capacity Video Secure Digital Cards. Kingston Technology, Inc. Is an ISO 9001, ISO14001 and OHSAS 18001 certified company. High Capacity Video Secure Digital Cards offers plenty of recording time and is available in 60 minutes [4GB], 120 minutes [8GB] or 240 minutes [16GB] capacities. They are designed with a Class 4 speed rating which guarantees a minimum data transfer rate of 4MB per second making them an excellent match for the demands of digital camcorders. High Capacity Video Secure Digital Cards are designed to capture full HD, AVCHD, 1080i and 1080p. It is compliant with the SD Card Association card 2.00 specification and requires a voltage of 3.3v. The key specifications of High Capacity Video Secure Digital Cards are: