The LSI SAS3442X-R four-port internal/four-port external SAS PCI-X storage adapter provides 300 MB/s bandwidth (600 MB/s full duplex) on each port for combined throughput of up to 1.2 Gb/s (2.4 Gb/s full duplex). The storage adapter supports multi-volume OS independent Integrated RAID 0, RAID 1, 1E and 10E without the need for special drivers.