Best Connectivity 4 Port USB 2.0 PCI-Express X1 Card SD-PEX20052
Complies with PCI-Express x1 Base Specification Revision 1.1 with data transfer rate up to 2.5Gbps. Fully Plug & Play and Hot Plug supported. Complies with USB Specification Revision 2.0. Complies with Open Host Controller Interface (OHCI) Specification for USB Rev 1.0a. Complies with Enhanced Host Controller Interface (EHCI) Specification for USB Rev 1.0. Supports USB high-speed (480Mbps), full-speed (12Mbps) and low-speed (1.5Mbps). External power connector for USB bus power. One internal Shared Pin Header. Full support of real time dynamic insertion and removal of devies