Features: Brand new and high quality. This PCI-E adapter card can convert 1 PCI-E X1 slot on the motherboard into 4 PCI-E slots simultaneously. Connect up to 4 PCI-E cards such as sound cards, graphics cards, and network cards at the same time. Each slot operates independently without interference. No driver installation needed! Simply plug it into the computer slot for immediate use. This riser card facilitates transfer between PCI-E and PCI-E. Easy installation, truly plug and play, convenient and efficient. Perfect for BTC mining. Supports 4-port high-speed PCIe 1X cards. Solid capacitors provide extra stable power for PCI-e cards. An ideal solution for expanding PCI-e support in tight spaces or on motherboards with limited PCI-e ports. Supported Operating Systems: Linux / XP / Windows 7/8 / 8.1 / 10 Specifications: Product Type: LPE-41X 1 to 4 Ports Product Color: Blue Product Interface: PCI-E Slot Transmission Rate: 10/100/1000 Mbps Product Performance: Suitable for PCI-Express slot motherboards, plug and play Product Features: An ideal solution for expanding PCI-e support in tight spaces or on motherboards with limited PCI-e ports. Supported Operating Systems: Linux / XP / Windows 7/8 / 8.1 / 10 Size: Mixed Supports PCIE 3.0 Note: Due to lighting effects and shooting angles, there might be some color differences, please understand. Please allow 0-1cm error due to manual measurement. Package Includes: 1 x PCI Express Slot Board 1 x Mini PCie Card Cable 1 x Power Cable 1 set x Screws