CAUTION: Please refer to Pict 3 and Pict 4 when installing this kit. The USB cable SHOULD be tied to Deskmini casing to avoid being stuck while closing it, especially if you use NVME storage with heatsink. Designed for the ASRock Deskmini Series, this cable connects to an internal USB2.0 port on Deskmini motherboard and provides 2 additional USB2.0 ports to the side of your Deskmini case. Features: - 100% brand new and high quality. - Easy install and use. - Fit for Deskmini A300 and X300. Specification: - USB Interface: 2x USB2.0 - Motherboard connector: DuPont 9pin - Cable Length: Approx.30cm - Screw Hole Distance : 4.8cm