Feature:1. Multiport: Compliant with standard PCI express base SPEC 2.0, backward compatible with SPEC 1.1 1.0a, one PCIe x1 channel, Gen2 uplink port to four PCIe x1 channel Gen2 downlink ports.2. Features: ASM1184e PCI Express x1 conversion card, which can use standard and small PCIe expansion cards, and expand your PC through additional PCIe interfaces. The PC is powered by the attached 6 PIN 12VDC connector and for SATA 15PIN power supply.3. Compatible System: The operating system is compatible with for Linux, for XP, for Windows 7, for Windows 8, for Windows 8.1, for Windows 10.4. Plug and Play: Compatible with all major application operating systems in the market, simple installation, plug and play, and support for I2VDC interface for debugging.5. PCB Material: Integrated 100MHz PCIe differential clock buffer, no need for additional clock buffer, short delay, PCB material, stable performance.Specification:Item Type: PCI E X1 to 4PCI E X1 Adapter CardMaterial: PCBMain Chipset: For ASM1084eBus Type: PCI Express x1Slot Interface: 4 x PCIE X1 Card Slot (Grouped), 1 x USB3.0 to PCIe Connector, 1 x for SATA 15PIN Power Interface, 1 x 6 PIN DC12V Power Interface.Package List:1 x 4 Port PCIE X1 Card Slot1 x PCIE X1 Card1 x USB 3.0 Cable1 x Connecting LineNote:1. Remember not to hot plug with electricity! Before operation, please cut off the power first, cut off the power first, cut off the power first;2. The adapter card can be hot plugged only when the computer is turned off.