ITEM NAME:2 Port USB 3.0 Female to 20 Pin Header Cable Adapter Connector For Motherbo D4G9 2 Port USB 3.0 Female to 20 Pin Header Cable Adapter Connector For Motherbo D4G9 Add USB ports directly to your motherboard (such as Asus P7P55/USB3 series). Dual USB 3.0 Female out to 20 Pin connection. Small size leaves room for other connections. This cable adds USB ports directly to your motherboard without taking up a PCI slot. 20cm 2 Port USB 3.0 A Female to 20 Pin Header Cable Internal USB Motherboard Connection Type: 2-Port USB 3.0 A female to 20 pin header Material: High-purity oxygen-free copper Color: Black Length: 20cm Total weight: 39g Package list: 1 x 2 Port USB 3.0 A Female to 20 Pin Header Cable Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.