LSI MegaRAID SAS 8480E interface cards/adapter

3Gb/s Eight-Port External SAS RAID Adapter The MegaRAID SAS 8480E features two x4 external SAS connectors for high-performance external storage connectivity. When used with SAS expanders, the MegaRAID SAS 8480E can support up to 122 SAS or SATA II disk drives, making it an ideal solution for enterprise-class storage applications that call for maximum configuration flexibility. Using a high-performance Intel® I/O processor for optimum RAID performance and a PCI Express host interface for increased bandwidth, the MegaRAID SAS 8480E delivers an intelligent and robust RAID solution. In addition, this adapter supports 256MB DDRII SDRAM for data caching and an intelligent transportable battery backup (iTBBU) that protects cached data for up to 72 hours in the event of a complete power failure.