Front four-port USB3.0 expansion card Directly lead from the PCI-E to the front of the chassis, more stable and more convenient, the front port can use four hard drives at the same time. The PCI-E interface is ultra-low 90 degrees. The interface is blocked and does not affect the use of the interface. With self-powered module, no external power supply, all solid capacitors Each port has a separate interface protection insurance. Support system: for XP 32/64 7 32/64 8 8.1 10 Note:Due to different production batches, the appearance of the product may be different, which does not affect use. Type:PCI-E 1X to Front 4 Port USB 3.0 Card Tray Bus Modes:PCI-E X1 interface Compatible Slot:PCI-E x1/x4/x8/x16 USB Interface:4 x USB3.0 Port Transfer Rate:USB3.0 5Gb/s Colour:Black Material:Plastic+Metal Size:USB3.0 Cable length is about 60cm Package Contents: 1 * Front Panel 1 * PCI-E 1X upgrade card(color is random, no specification is accepted) 1 * USB3.0 cable (USB3.0 cable color/port appearance are random, no specification is accepted) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.