ITEM NAME:PCI Express Expansion Card, Dual USB 3.0 PCI-E PCI Express Hub with 19-pin Description: Fully compliant with the PCI-Express specification version 2.0, PCI-E 1X or PCI-E 16X interfaces are available. With 2 ports USB 3.0, devices can be connected at the same time. With 19Pin USB power connector. USB3.0 transferring rate up to 5Gbps, backward compliant with USB 2.0/1.1. With built-in SATA power interface, 4-phase power supply module, no need external power supply. The board is solid, stable in performance and good in compatibility. Hot-swappable, plug and play. Specification: Size: 120x90x18.5mm Expansion Interface: USB3.0 x 2, 19Pin Connector Package Includes: 1 Piece PCIe to Dual USB 3.0 Expansion Card (with 19Pin Connecor) Note: Please allow slightly measuring deviation due to manual measurement. SKU: DMO0013759277016118.1 Piece PCIe to Dual USB 3.0 Expansion Card (with 19Pin Connecor). With 19Pin USB power connector. Expansion Interface: USB3.0 x 2, 19Pin Connector. The board is solid, stable in performance and good in compatibility.