SYBA 4+1 USB 2.0 PCI-e. Output interface: USB 2.0. Purpose: PC. Chipset: NEC 720101. Server operating systems supported: Windows Server 2003. Data transfer rate: 480 Mbit/s, Connectivity technology: Wired, Compatible operating systems: Windows 7 Windows Vista Windows XP Windows ME Windows 1998 Windows server 2003 Windows 2000