The IBM 6 Gb SAS HBA is an economical storage enabler to attach RAID-capable external storage enclosures & 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 & can handle medium to large capacity server storage applications by connecting an 8-lane PCI Express adapter with one external x 4 SFF-8088 connector & four internal SATA connectors.