PCI-E Express to 4 Port USB 3.0 Expansion Card Adapter 1 to 4 PCIE Splitter
Supports simultaneous operation of multiple USB 3.0, USB 2.0 and USB 1.1 devices. PCI-E to PCI-E 1 to 4 Slot x USB3.0 Expansion Card. Bus: PCI-E. Port Quantity: 4 x USB 3.0. 1 1 to 4 PCI-E Expansion Card.