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Samsung introduced the 470 Series line of SSDs in August, 2010. These new drives are the company's first aftermarket SSDs designed specifically for consumers upgrading their existing computers. They are also the first SSDs to use Samsung's 30-nanometer (nm) class toggle-mode double data rate (DDR) NAND chips, which enable extremely high data throughput rates. Equipped with a 3 gigabits per second (Gb/s) Serial ATA 2.0 interface and available in three storage capacities-64 gigabytes (GB), 128GB and 256GB-the 470 Series SSDs read and write data up to three times faster than typical hard disk drives, allowing them to store two standard-length DVD movies in just a minute.