Model: USB 2.0 4-port 480Mbps PCI cardPCI bus-master access. Hot-pluggable: enables plug and play connection. Enhanced speeds: data moves up to 480Mbits/s (Mb/s)High-speed (480Mbps), full-speed (12Mbps) and low-speed (1.54Mbps) data transfer rate. Reliability: complies with OHCI, EHCI and PCI standardCompatibility: supports USB 1.1 and 2.0 under Windows 98 SE, Me, 2000 and XP. Via Chipset USB 2.0 5 Port (4 External Port+ 1 Internal Port) PCI cardSupports up to 127 devices. Supports device hot swap and wake-up. Supports all USB-compatible devices. Supports Windows 98, ME, 2000, XP, Vista operating systems. Supported systems: Vista, Windows ME/XP/2000/98 /SECompatible with: Universal Serial Bus Specification Revision 2.0Open Host Controller Interface Specification for USB Rev 1.0aEnhanced Host Controller Interface Specification for USB Rev 0.9532-bit 33MHz host interface compliant with PCI Specification release 1.1Material: PCB+metalcolor: BlackPackage Contents:1 x USB 2.0 4 Port VIA HUB PCI Controller Card AdapterOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.