Black wire seen in the panel as a whole more attractive and durable; Shell surface frosted injection effect the closer color and effect with chassis; USB power supply with Fujitsu FP solid capacitors can guarantee a stable power supply at high temperatures; Panel increases the HUB chip only a 10 Pin or rear USB 2.0 interface can be converted to four USB 2.0 ports; This panel is a 10 Pin into four USB 2.0 front panel motherboard; Supports USB 2.0 10 Pin socket. Special note: this panel is mounted to the chassis soft drive position that is 3.5-inch optical drive size