NEC chipset Transfer rates up to 5 Gbps Dual profile design to fit into Full or Low Profile/small form factor (SFF) systems

2 port SuperSpeed 5Gbps pci express card to usb3.0 adapter  

Technical DetailsSuperSpeed USB 3.0 connectivity at up to 5 Gbps and 80% more power than USB 2.0 Dual profile design to fit into Full or Low Profile/small form factor (SFF) systems Provides two external USB 3.0 connections Fully compliant with USB 3.0 revision 1.0 specifications and Intel xHCI rev0.96 specifications, with transfer rates up to 5 Gbps Backwards compatible with USB 2.0 and USB 1.0/1.1 devices Built-in optional LP4 Molex power connector for bus-powered USB devices Optionally provides up to 900mA per USB port

2 port SuperSpeed 5Gbps pci express card to usb3.0 adapter