SATA Cable III: This SATA cable III quickly upgrades your computer to expand storage, connecting the motherboard and host controller to internal SATA DVD drive and hard drive. Note: This cable does not provide power for your hard drive. 6Gbps High Speed: The latest SATA III supports data transfer speeds of up to 6Gbps, improving system performance by 2 times compared to SATA II. And it is backward compatible with SATA I and SATA II. Multiple Angle Plug Design: We not only have conventional straight angle connectors, but also upgraded right angle plugs, which you can flexibly choose according to different usage scenarios. Premium Material: Featuring tinned-plated pure copper conductor, more durable than pure copper, extending service life. The built-in shielding layer effectively reduces electromagnetic interference and ensures stable data transmission. Easy to Install: The connector is equipped with lock latch that protects the cable at both ends to ensure a safe connection