32-bit PCI bus and PCI specification v2.2 compliant * Four (4) 480Mbps Hi-Speed USB 2.0 ports: Three (3) external and one (1) internal connectors * Two (2) 400Mbps FireWire/IEEE 1394a (FireWire 400) ports: Two (2) external 6-pin connectors * Two (2) internal SATA connectors and One (1) internal 40-pin IDE connector * Fully Plug-N-Play compatible and supports Windows® 2000/XP/Vista/Server 2008/Windows 7/Windows 8 or later