SIIG Controller Card LB-US0214-S1 USB3.0 4-Port (2-Ext plus19-pin header) PCIe Host Card Brown Box

Features
Quickly adds two external USB 3.0 ports and 2 USB 3.0 ports via internal 19-pin USB header through an available PCI Express slot for connecting a variety of external USB devices
Supports SuperSpeed USB 3.0 data transfer rates up to 5Gbps providing fast and smooth data transmission
Supports UASP (USB Attached SCSI Protocol) and increases data transfer speed with external storage devices especially for SSDs
Each port provides power output up to 900mA and features Over-Current protection to further protect your connected devices
Built-in 19-pin header allows expanding to another two USB 3.0 ports
Installs into standard height or low profile system chassis with the included brackets