The USB3SAB3MBK 3m Black USB 3.0 A-to-B cable allows you to connect your USB 3.0 type-B devices, such as your hard drive enclosures, card readers, docking stations and video capture devices, up to 3 meters away from your computer. The USB 3.0 cable features high quality Shielded Twisted Pair (STP) construction, which helps to prevent electro-magnetic interference and ensures reliable data communication. The 3m cable is backed by StarTech.com's Lifetime Warranty, providing guaranteed quality and reliability.