Adaptec raid 6405er 4 internal port low profile md2 low profile 2535h x 5115l with pcie x1 sas 20 and gen 2 pci express pcie unified serial raid controller with on board dram and intelligent power management delivers the ideal priceperformance and connectivity solution for entry level server platforms workstations and desktop systems r adaptec series 6e sassata raid adapters deliver the robustness of hardware raid and the adaptec raid code enterprise class management features