Features:7 port USB2.0 hub creates a super high data transmission speed. 7 USB devices can be plugged into the computer box simultaneously. USB 2.0 increases the power of large 4pin, which can provide enough current for 7 high-speed USB interfaces, and solve the problem of insufficient power supply for the front of box. Suitable for 5.25in computer box. Offers a complete data transmission with no data loss. Specification:Product type: 7 Port USB Hub Drive BayMaterial: Aluminium alloyConnector: 7 port USB2.0Suitable: For 5.25in computer boxAdaptation: 9pin to 6 USB2.0( A usb port is in it.)Suitable: For scanner, typewriter, digital camera, speaker, mouse, and other USB devicesPackage size: Approx. 15.5 * 12.5 * 5 cm/ 6.1 * 4.9 * 2.0 inPackage weight: 235g/ 8.3ozPackage List:1 * 7 Port USB Hub Drive Bay1 * 9pin-9pin Cable5 * Fixing ScrewsNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. 17 port USB2.0 hub creates a super high data transmission speed. 27 USB devices can be plugged into the computer box simultaneously. 3USB 2.0 increases the power of large 4pin, which can provide enough current for 7 high?speed USB interfaces, and solve the problem of insufficient power supply for the front of box. 4Suitable for 5.25in computer box. 5Offers a complete data transmission with no data loss.