U2X4 PCIe 4.0 X4 U.2 adapter card is a hardware device that connects a U.2 storage device (usually a SSD or other storage device) to a PCI Express(PCIe) of a computer. On the bus. The main functions and problems of this adapter card include: Provides higher data mission speed: Due to the support of PCIe 4.0 X4 standard, this adapter card can provide higher data mission speed, enabling the connected U.2 storage devices to give full play to its performance. Supports high-performance storage devices: The U.2 interface is usually used to connect high-performance storage devices, such as NVMe SSDs. By using such adapter card, users can make full use of the performance of high-speed storage devices. Suitable for professional applications: This type of adapter card is usually used in professional application scenarios that require large amounts of data processing and high storage speed, such as video editing and data analysis. In general, U2X4 PCIe 4.0 X4 U.2 adapter card solves the compatibility and performance optimization problems when connecting high-performance, high-speed U.2 storage devices to computer systems. Color: black material: plastic To install U2X4 PCIe 4.0 X4 U.2 adapter card and U.2 storage devices, follow these steps: Power off: Before installing any hardware, make sure to turn off the power supply of the computer and unplug the power plug. This is to ensure the safety during installation. Insert adapter card: Insert U2X4 PCIe 4.0 X4 U.2 adapter card into the PCI Express slot on the computer motherboard. The slot is usually located on the motherboard, make sure that the slot is correctly aligned and press the card gently to make it firmly inserted into the slot. Check and identify: Enter the operating system of the computer and check whether the system can correctly identify and display theconnected U.2 storage device. You can use the disk management tool of the operating system to view the storage device. Package Contents: 1 x PCIE Adapter Card Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.