5.9 inch USB 3.0 Header Extension - Extend the available USB 3.0 header of a motherboard with our 15CM USB 3.0 Header Extender Cable. A perfect solution for tight- fitting environments. Black Flat Ribbon Wire: Much more durable and flexible comparing to individual crimped wires; These cables offer a clean look, making it easier to deal with dust and avoid overheating. Super Speed Data: This USB 3.0 20-Pin Male to USB 3.0 20-Pin Female Extender supports data transfer speeds up to 5Gbps; High performance for stable signal and data transmission. Cost-Effective 2-PACK: This convenient 2-Pack of USB 3.0 Motherboard Adapters provides a spare or replacement usb header adaper. What You Get: JoyReken 2-Pack Low Profile USB 3.0 Header Extension Cables, our worry-free 12-month warranty and friendly customer service.