1、PCIE to USB 2 GEN1 Expansion: This PCIE to USB 2 GEN1 expansion card has 7 external USB 2 GEN1 ports that support concurrent operation of multiple USB 2 GEN1, USB0, USB1 devices. 2、Fast Transmission: This USB 2 GEN1 front expansion card adopts RENESAS and UPD720201+720210 master control. USB 2 GEN1 transmission speed up to 5Gbps, let you quickly access files, transfer HD movies, photos, music and more. 3、Stable Power: This expansion card adopts inbuilt PCIE power supply interface and USB current output, maximum 5V/5A, adopting 10 solid capacitors, which ensures high stability of USB power supply. 4、Easy Operation: The systems above Win 8 does not need to install the driver, the WIN inbuilt driver provides faster speed, with activated UASP function. 5、Wide Compatibility: This 7 port PCIE expansion card is suitable for Win XP, for Win 7, for Win 8, for Win 10, for Win 11, for LINUX. 1 x 7 Port PCIE Expansion Card Item Type: 7 Port PCIE Expansion CardMaterial: Metal, PlasticInterface: USB 3.2 GEN1Number of Ports: 7Usb Current Output: 1.5AUsb Data Transfer Rate: Support 5G / 480M / 12M / 1.5M bpsSupported System: Suitable for Win XP, for Win 7, for Win 8, for Win 10, for Win 11, for LINUX.