The SuperMicro UIO MegaRAID AOC-SAS-H4iR features 4 internal and 4 external ports SAS connectors for high-performance storage connectivity. This RAID card is built on the LSI Logic SAS IC technology and proven MegaRAID technology. It addresses the growing demand for increased data throughput and scalability requirement across the enterprise-class server platforms. With high performance RAID architecture, including hardware RAID 5 and 6, this new RAID controller card supports high capacity storage applications. It delivers cost effective storage solutions using SATA drives and maximum performance and reliability with SAS drives.