Easy to assemble and disassemble, you can simultaneously extend 5 high speed USB 3.0 ports. High-speed USB3.0 transmission meets your desire for speed. Connect multiple devices, strengthen the capabilities of your computer. Update once and update everywhere with Dell-unique Intel vPro extensions for remote BIOS management and hard drive wipe, even when they’re powered off. The standard thick PCI-E 2.0 interface directly connected to the motherboard can increase connection stability and prevent transfer loss. Large 4Pin provides adequate power supply, flexible operation, a dedicated 19 pin slot to extend the front USB3.0 interface of the computer case. Solid aluminum electrolytic capacitor, this solid, safe and stable capacitor with high conductivity and long life can reduce RSE. Two chips, two inductions, the filter can effectively prevent the interface, double protection makes the current input interface safe and stable. Updated black PCBA emits a great sense of technology and has a high degree of recognition.