Features: Easily to update your computer to 4ports USB3.2 gen1 with PCIExpress to USB3.2 adapter card. For Pi 5 PCle to USB 3.2 Gen1 expansion card for Pi 5 4port usb3.2 driverfree for Pi 5 expansion Can connect for PI 5 via 16PIN cable, for PI 5 16PIN PCle interfaces design. USB interfaces PCle to 4-channel USB3.2 Gen1 highly speed interfaces, convenient to access more peripheraled devices. Specifications: Name: PCIExpress To 4Port USB3.2 Gen1 Expansion Card Size: about 8.5x4.9cm/3.35x1.93in Product material: Plastic Note: 1. Due to light and screen difference, the item color may be slightly different from the pictures. 2. Please allow 0.5-2cm differences due to manual measurement. Package includes: 1Set PCIE To 4Port USB3.2 Gen1 Expansion Card