Provides a 4Gbps Single Port Fibre Channel PCI-X 2.0 Adapter, which attaches external tape devices. It is a 64-bit address/ data, short form factor PCI-X adapter with an LC type external fiber connector that provides single initiator capability over an optical fiber link or loop. With the use of appropriate optical fiber cabling, this adapter provides the capability for a network of high-speed local and remote located storage.The adapter will auto-negotiate for the highest data rate between adapter and an attaching device at 1Gbps, 2Gbps or 4Gbps of which the device or switch is capable. Distances of up to 500 meters running at 1Gbps data rate and up to 300 meters running at 2Gbps data rate and 4Gbps data rate up to 150 meters are supported between the adapter and an attaching device or switch. When used with IBM supported Fibre Channel storage switches supporting long-wave optics, distances of up to 10 kilometers are capable running at either 1Gbps or 2Gbps or 4Gbps data rates.