The installation of the riser card extender is easy and convenient because it is plug and play.Supporting stable and quick transmission, the riser card extender is practical and useful.Made of PCB material, the riser card extender is reliable, anti-corrosive and eco-friendly to use.The length of the riser card extender is 6.4cm and width is 5.6cm.The riser card extender is expecially suitable for computer.Item Name: Riser Card ExtenderMaterial: PCBFeatures: Easy Installation, Stable Output, CompactSize Details: 6.4cm x 5.6cm/2.52" x 2.2" (Approx.)Notes:Due to the light and the screen setting difference, the item's color may slightly differs from the pictures.Please allow slight dimension difference due to the manual measurement.The PCI-E card is not inserted into the anti-card because inserting the anti-card can easily cause burnout.Usage:1, When using the riser card extender, the computer must be turned off before inserting it.2, The riser card extender is connected to the PCI-E slot of the motherboard. Use a USB3.0 data cable to connect both ends of the two USB ports, then connect the power supply.3, After completing the above two steps, first do not rush to insert the riser card extender, start the computer to see if your computer has been recognized the card as a vertical card, if you can’t find the card, please repeat the above operation. When your computer recognizes the card, the blue LED slot lights up normally, and the computer device manager on the system device will show that a few "standard PCI-A-PCI bridges" have been added.4, After completing the above three steps, turn off the computer, connect the riser card extender and be careful not to insert other cards.5, Last start the system and install the PCI-E card driver.Package Includes:1 x Riser Card Extender