Silverstone PCI Express Card with Dual Internal 19pin USB 3.0 Connectors Model ECU01 Specifications: Power requirement: 5V via SATA 15pin power connector Form factor: Low profile - PCI Express 2.0 x2 (10Gbps) USB 3.0 controller: Etron EJ198 USB Ports: Two internal 19pin connectors (4 ports) Transmitting Speed: USB 3.0 (5Gbps), USB 2.0 (480Mbps), USB 1.1 (12Mbps) Extra: UASP and Turbo Boost
