Internal SAS/SATA host bus adapter pcb Internal SAS/SATA host bus adapter pcb The board is a low-cost 4-port 3Gb/s internal SAS/SATA host bus adapter.  This card offers dynamic SAS functionality including dual-port drive redundancy and SATA compatibility. The SAS3041E-R also offers Integrated RAID 0, 1, 1E and 10E for high-performance data protection, making it perfect for medium capacity internal storage applications.