MegaRAID SAS 8480E 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. Features Eight external SAS/SATA ports Two SAS SFF8470 x4 external connectors 3 Gb/s throughput per port full duplex RAID Levels 0, 1, 5, 10 and 50 Greater than 2TB array support Intel® IOP333 I/O Processor PCI Express 1.0a compliant 2.5 Gb/s per lane x8 lane width Ships with 256MB DDRII 400MHz SDRAM DIMM module iTBBU support Advanced data integrity and recovery Enhanced error handling and reporting FlexRAID®: Online Capacity Expansion (OCE) Online RAID Level Migration (RLM) Comprehensive management and configuration utilities Full SAS expander support Benefits Maximum drive flexibility for using both SAS and SATA II drives PCI Express host interface for increased bandwidth SAS built on proven MegaRAID stack Advanced RAID management suite