The Monoprice 24" SATA data cable is built to SATA III specifications and provides enough length to make sure all devices are within reach, 24 inches. Although SATA I, II, and III cable plugs are identical, there is a vast difference between the maximum speeds they can support, doubling with each generation. If you notice a lack of speed, your SATA cable may be a bottleneck. The locking latch provides a mechanism that will ensure your connections do not come loose over time, preventing damage to your hard drive. SSDs benefit greatly from the new standard, which allows for speeds of up to 6 Gbps, well in SSD territory.