Adaptec Series 6 RAID controller features PMCSierra's multi-core SRC 8 x 6 G RAID-on-Chip (ROC) and an x8 PCI Express Gen 2 host bus connection. It supports up to 256 SATA/SAS devices and features Adaptec Intelligent Power Management for improved energy-efficiency, plus Zero-Maintenance Cache Protection (ZMCP - pronounced "zemcap") to help data centers save thousands of dollars in operating costs.