The PCI Express card by Delock expands a PC by four external USB 3.0 ports. Each port is supported by a single Renesas chip, which provides a high data transfer rate. Different USB devices such as docking stations, card reader, external enclosure etc. can be connected. Due toThe vertical direction ofThe USB 3.0 ports, it is possible to install it into a low profile slot.No additional power supply Due toThe on-board 5 V DC power supply control,The PCIe card does not require any additional power supply.WithThe help ofThe four jumpers,The current can be limited to 900 mA or 1.5 A on each USB port.