StarTech.com PEXUSB3S2E2I, PCIe, USB 3.2 Gen 1 (3.1 Gen 1), 15 mm, 86.5 mm, 68.5 mm, 50 g StarTech.com PEXUSB3S2E2I. Host interface: PCIe, Output interface: USB 3.2 Gen 1 (3.1 Gen 1). Width: 15 mm, Depth: 86.5 mm, Height: 68.5 mm. Package width: 170 mm, Package depth: 142 mm, Package height: 30 mm