Welcome to our store! 1. The SM1083 PCI Express X1 to PCI 32-bit bridge card allows users to connect traditional parallel bus devices to the advanced serial PCI Express interface. 2. The card can be easily installed and powered from the computer's power supply via the included 4-Pin connector. 3. Operating system support for Windows 2000/NT/2003/XP/Vista/2008/Win 7/Linux. 4. The power to the extended PCI add-in card is powered by a standard ATX power supply, or from an external power supply (+12V and 5V) via the PCI backplane. 5. This riser card converts a standard PCI-E 1X interface card to a PCI interface. Item Type: PCI‑E Express to PCI Adapter PCI Express Base Specification Rev. 1.0a / 1.1 PCI bus power management interface Rev.2.0 PCI Express Card Electromechanical Rev.2.0 PCI Specification Rev.3.0 PCIE to PCI / PCIX Bridge Specification Rev.1.0 PCI Express Features: PCI Express X1 channel, 2.5GHz signaling SSCECRC and advanced error reporting features 100 MHz differential PCI Express reference clock input Maximum payload size is up to 128 bytes PCI Function: Supports 33 MHz PCI bus Supports CLKRUN PCI Power Management: The power to the extended PCI add-in card is powered by a standard ATX power supply, or from an external power supply (+12V and 5V) via the PCI backplane. 1 x USB3.0 Connection Cable 1 x 4Pin Power Cable 1 x PCI-E Card 1 x PCI Card Customers are our top priority. If you find any problems with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best customer service.