The expansion card uses 10 high-performance solid capacitors to ensure stable USB power supply. This product is made of high-quality materials, offering durability, long service life, and reliable performance. Features quick start, fast loading, and file transfer with low power consumption, quiet operation, and long-term reliability. Compact and portable design; its mini and lightweight form factor saves space and allows for easy transport. Note: This card has 7 rear ports and is not compatible with small chassis. Output interface: 7 ports USB3.2 GEN1 Main control chip: RENESAS D720201+720210 Interface speed: 5Gbps Supports PCI-E 1X slot Compatible with Windows XP, Windows 7, 8, 10, 11, and Linux operating systems Complies with PCI-Express specification version 2.0 Complies with USB3.0 SuperSpeed specification version 1.0 Complies with xHCI specification version 1.0 Main control chip: Renesas uPD720201+D720210 chipset Maximum transfer speed up to 5Gbps, significantly faster than USB2.0's 480Mbps, up to 10 times faster Backward compatible with USB2.0, USB1.1, and USB1.0 Transfer speeds: 5000/480/12/1.5Mbps USB power output: up to 5V 1.5A (high-current type) Supports USB hot plug functionality Compatible with Windows XP, 2003, Vista, Windows 7, 8, 10, and later systems Hardware requirements: Motherboard with a free PCI-E slot This is a desktop PCI-E expansion card requiring an available PCI-E slot for installation. Ensure the slot is not blocked by the graphics card. Do not install in a PCI slot. Dimensions: 120 x 98 x 75mm Material: PCB Color: Black Package includes: 1 x USB PCIe Adapter Card Note: The package includes only the items listed. Other accessories are not included. Note: Lighting and display differences may cause slight variations in the color shown in images.