The SilverStone ECU05 is a PCI-E 20 x2 expansion card with reversible USB 31 Type-C and USB 30 ports Its single USB 31 Type-C port is capable of fully utilizing PCI-E 20 x2 slot for up to 10Gbps bandwidth which is twice the USB 30 performance for offering excellent stability when multiple external USB devices are in use simultaneously ECU05 also has additional two external USB 30 Type-A ports and an internal 19pin USB 30 connector to provide your system with five total added USB ports For fast charging one of the Type-A ports (black) meets USB Battery Charging (BC) 12 standard to deliver quick and safe charging to your mobile devices Finally the ECU05 supports UASP (USB Attached SCSI Protocol) for enhanced performance so operating systems with XHCI (eXtensible Host Controller Interface) can easily detect and install ECU05 without the need for any driversFeatures- Includes SuperSpeed USB 31 external USB Type-C connector- Includes USB 30 internal 19pin connector and two external USB Type-A connectors- Dedicated fast charging port compliant with USB Battery Charging (BC) 12- Support PCI-E 20 x2 with throughput up to 10Gbps- Compliant with eXtensible Host Controller Interface (XHCI) specification Revision 11- Compliant with USB Attached SCSI Protocol (UASP) Revision 10- Includes optional low profile slot cover for supporting low profile casesSpecification- Model No SST-ECU05- Power requirement 5V via SATA 15-pin power connector- Form factor Low profile - PCI-E 20 x2 (10Gbps)- USB 30 controller VIA Lab VL812- USB Ports USB 31 Type-C x 1 DFP with Rp10KO and up to 5V 3A- USB 30 Type-A x 1- USB 30 Type-A with charging downstream port x 1 up to 5V 15A- Internal 19pin connector x 1 for up to two USB 30 ports- USB 31 controller ASMedia ASM1142- Transmitting Speed USB 31 Gen 20 (10Gbps) USB 31 Gen 10 USB 30 (5Gbps) USB 20 (480Mbps) USB 11 (12Mbps)- Power Management Support USB 31 USB 30 and USB 20 link power management- Current protection Support over current detection and protection- Operating system support Windows 7 (32bit64bit) 88110 (32bit64bit) UbuntuLinuxMac OS