Description: With the popularity of USB3.0, more and more motherboards now have a USB3.0 19pin socket, and the chassis does not have a front USB3.0 port. You can insert a 19PIN socket through this panel on motherboards and create 4 front USB3.0 interfaces then installed in an idle optical drive location, this provides a front-mounted super speed USB 3.0 interface, very convenient! USB3.0 adds a large 4PIN to enhance power, which can provide enough current for the four high-speed USB3.0 interface. Features: Compliant with USB3.0 interface specification. High speed transfer rate, USB3.0 interface can achieve a maximum transfer rate of 5Gbps. Compatible with USB2.0/1.1. The panel can be connected to 4 external USB devices at the same time. Support USB hot plug, it is very convenient to use. Support for Window2K/XP/VISTA/Win7 OS X. Specification: Product Name: USB3.0 optical drive 4-port front panel Product size: about 148 x 155 x 40mm / 5.8 x 6.1 x 1.5(optical drive) Product Master: GL3520 Product model: PAN4USB-G01 Product color: black spray Product packaging: color box Package List: 1 x Front Panel 1 x 19pin Cable 1 x SATA Cable 5 x Screws Note: 1. You need prrepare a motherboard with two USB3.0 20Pin connectors or a riser card and a 5.25-inch optical drive chassis if have the desire to purchase this product. .2. 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.