Adaptec RAID 6405T The 6Gb/s Series 6T controllers, with recessed top-mounted connectors, offer the superior performance of the Series 6 family of Unified Serial controllers and maximum installation flexibility in high-density server applications 4 internal top-mounted ports, low profile, SAS 2.0 and Gen 2 PCI-Express (PCIe) Unified Serial RAID controller with Zero-Maintenance Cache Protection and Intelligent Power Management delivers exceptional performance, advanced data protection, and maximum scalability for enterprise-class, high-density server applications. The Series 6T RAID controllers, with recessed top-mounted connectors, offer maximum flexibility for installation in high density servers with condensed space requirements. With the same Series 6 family superior performance, scalability, reliability and enhanced bandwidth of its 6 Gb/s SAS 2.0 interfaces and the PCIe Gen 2 host connection it offers up to 60% higher sustained sequential throughput than previous generation controllers. Based on PMC-Sierra's market-leading, multi-core SRC 8x6G RAID-on-Chip (RoC) the Adaptec RAID 6405T can deliver up to 2 GB/s sustained data transfer rate to the host. Peak performance is up to 4.8GB/s through the SAS 2.0 interfaces and 4.0GB/s through the PCIe Gen 2 host interface. Using SAS expanders, it can connect up to 256 SATA/SAS. The Adaptec RAID 6405T supports a broad range of operating systems, compatibility with more than 300 third-party devices, and full integration with Adaptec Storage Manager™ for centralized management of all Adaptec RAID controllers on the network. 6 Gb/s throughput at each port PMC-Sierra PM8013 Dual Core RAID on Chip (ROC) SAS 2.0 interfaces and PCIe Gen 2 Host Connection 4-port recessed top-mounted, low profile MD2 Supports up to 256 SATA or SAS devices Enclosure management support via LED header and SES2/ SGPIO Intelligent Power Management – Reduces power and cooling costs by as much as 70%