Adaptec Raid 78165 - 6gb/s Sas - Pci Express 3.0 X8 - Plug-in Card - Raid Supported - 0, 1, 1e, 5, 6 Raid Level - 24 Total Sas Port (s) - 8 Sas Port (s) Internal - 16 Sas Port (s) External - Rohs Compliance