The HP StorageWorks FC1142SR 4Gb PCI Express HBA and the HP StorageWorks FC1242SR 4Gb PCI-E DC HBA for Windows and Linux now supports customers using HP ProLiant servers that contain PCI Express I/O slots. Both Fibre Channel (FC) Host Bus Adapters (HBAs) are second generation 4Gb products to support this new higher speed I/O bus architecture. The HP FC1142SR HBA and HP FC1242SR HBA provide customers the ability to use the higher performance PCI Express bus to connect to their HP StorageWorks arrays.