2 Ports USB3.0 Expansion Card.

Chipset: for NEC720202.

Bus Modes: PCI-E x1.

Compatible Slot: PCI-E x1/x2/x4/x8/x16.

USB Interface: 2 x USB3.0 Port.

Transfer Rate: USB3.0 5Gb/s.

Current: 2A for 2 Ports USB3.0,

Support OS: Windows XP/Win7/Win8/Win8.1/Win10