Feature:1. This riser card is used for PCI-E X1 to PCI, which can connect 2 PCIs to the advanced serial PCI Express interface.2. Equipped with 4-Pin interface, which can be connected to PC power supply.3. The connection does not require additional drive equipment, plug and play, and easy to operate.4. Equipped with a super high-speed USB3.0 cable, the data transfer rate is higher.5. Operating system support for Windows 2000/NT/2003/XP/ista/2008/for Win 7 and Linux.Specification:Item Type: Expansion RiserPCI Express Base Specification Rev. 1.0a / 1.1PCI bus power management interface Rev.2.0PCI Specification Rev.3.0PCIE to PCI / PCIX Bridge Specification Rev.1.0PCI Express Functions:PCI Express X1 channel, 2.5GHz signalingSSCECRC and advanced error reporting functions100 MHz difference PCI Express reference clock inputMaximum payload size is up to 128 bytesPCI Functions:Support 33 MHz PCI busSupport CLKRUNPCI Power Management: The power of the extended PCI add-on board is powered by the standard ATX power supply,Or from an external power supply (+12V and 5V) through the PCI backplane.Package List:1 x USB3.0 Cable1 x 4PIN Power Cord1 x PCI-E Card1 x PCI CardNote: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.