The ibm 6 gb sas hba is an economical storage enabler to attach raid capable external storage enclosures and provide 3 gbps or 6 gbps tape storage connectivity for data archiving applications to achieve a higher level of performance the pci express small form factor ibm 6 gb sas hba is based on the lsi sas2008 controller and can handle medium to large capacity server storage applications by connecting an 8 lane pci express adapter with one external x4 sff 8088 connector and four internal sata