Astrotek USB 3.0 4 Port PCIe Add-on Card Renesas 720201 Chipset Specification: ÔÇó Support Windows XP / Vista /Win7/8/10 Server 2008 or later ÔÇó Device Type: 4 Port USB 3.0 HUB PCI-E Adapter ÔÇó Interface Type: USB 3.0 ÔÇó Data Transfer Rate: 5.0 Gbps ÔÇó A super fast and high-capacity data transfer solution. ÔÇó Stable and reliable VIA Chipset . ÔÇó Compliant with USB 3.0 specification Revision 1.0 . ÔÇó Compatible with USB 2.0 & 1.1 specification. ÔÇó Compliant with Single-Lane (x1) PCI-Express throughput up to 5Gbps. ÔÇó Supports 2.5Gbps PCI-E bus with full duplex channel. ÔÇó 4 USB 3.0 type A female connectors available. ÔÇó Plug & play and hot swapping capability. ÔÇó Bus-powered mode and no external power required for most of peripherals. ÔÇó 4-pin power connector available for some high current consumption peripherals, like HDD.