ITEM NAME:2Pack Motherboard 2 Ports USB 2.0 Hubs to 9Pin Expansion Rear Panel Header Description: Connections: USB 2.0 Female (x2), 9 Pin motherboard. Cable Length: 11inch(30cm), Comes with bracket doesn't take up PCI slot. 2 Port USB 2.0 Rear Panel Expansion Bracket to Motherboard USB Header for Computer. This is an external backup 2 ports USB 2.0 female hubs mainboard bracket with 9 pin header to connect with the mainboard. Specification: Model: 2 Port USB Panel Cable Type: USB 2.0 Cable Material: 28AWG Copper Cable Length: approx. 30 cm/11.81 in Metal Panel Length (for standard size PC chassis): approx. 12 cm/4.72 in Package Includes: 2 Pieces Computer Cable. SKU: DMO0016497219387881.2 Port USB 2.0 Rear Panel Expansion Bracket to Motherboard USB Header for Computer. This is an external backup 2 ports USB 2.0 female hubs mainboard bracket with 9 pin header to connect with the mainboard.