The Intel RAID Controller RT3WB080 is an intelligent RAID solution that uses RAID-On-Chip (ROC) technology delivering cost-effective, state-of-the-art performance and data protection for high capacity SATA drive based systems. The RT3WB080 includes LSI's SAS2108 6 Gbps ROC silicon, a native PCI Express 2.0 architecture and other powerful features such as RAID 6 and advanced RAID management. It is compatible with SAS expanders with support for up to 16 physical devices. Intel LSI MegaRAID RT3WB080 8-port Serial ATA Controller is one of many Hard Drive & Flash Drive Accessories available through Office Depot. Made by Intel.