Type-C USB4 40Gbps to PCI-E SSD 4x Graphics Card Converter Cable USB 4.0 40Gbps JHL7440 Chipset USB4/TB4 chipset JHL7440 design. JHL7440 Controller is working for USB4 40Gbps port. The PCBA adapter only works for DC 3.3V Output PCI-E device. (You need to connect extra power for DC5V/12V device like Graphics card, Lan Card) Support Windows/Mac OS. Package included USB4 to PCIE PCBA adapter and 50cm cable.