SATA 6Gb/s is a data transfer interface used primarily for connecting storage devices like hard drives and solid-state drives to a computer's motherboard. The "6Gb/s" refers to the maximum theoretical speed of 6 gigabits per second, which allows for faster data transfer compared to its predecessor, SATA 3Gb/s. This technology is part of the Serial ATA standard, which has evolved to support higher speeds and improved performance. SATA 6Gb/s is commonly used in modern computers, enhancing the overall efficiency of data storage and retrieval, making it suitable for tasks that require quick access to large amounts of data.