The expansion card uses 10 high-performance solid capacitors, which greatly ensures the stability of the USB power supply.This product uses high-quality materials, is durable, has a long service life, and is firm and stable in use.Quick start, loading and file transfer. Low power consumption, quiet, reliable and durable.Compact and portable: being so mini and light-weight, this product does not take much space and can be easily taken .Because this card has 7 ports at the rear, it does not support small chassis.Output interface: 7 ports USB3.2 GEN1Main control chip: RENESAS D720201+720210Interface rate: 5GbpsSupport slot: PCI-E 1XSupport system: WINXP/WIN7/8/10/11/LINUXCompliant with PCI-Express specification version 2.0Compliant with USB3.0 SuperSpeed specification version 1.0Compliant with xHCI specification version 1.0Main control chip: Renesas uPD720201+D720210 chipsetThe maximum transmission rate is as high as 5Gbps, which is much higher than 480Mb/s of USB2.0, up to 10 times;Backward compatible with USB2.0, USB1.1, USB1.0Transmission rate: 5000/480/12/1.5MbpsUSB power output: up to 5V 1.5A (increased current type)Support USB hot plug functionSupport Windows XP/2003/Vista/win7/win8/2003/10 and above systems.Hardware Requirements:A motherboard that supports PCI-EThis product is a desktop PCI-E expansion card. It needs to have a free PCI-E slot on the motherboard to install and use it. Make sure that the slot is not blocked by the graphics card. In addition, it cannot be installed and used on the PCI slot. Never plug it into a PCI slot.size: 120 x 98 x 75MMMaterial: PCBcolour: blackPackage Contents:1 x USB PCIE Adapter CardOnly 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.