Intel RAID Controller RS3UC080 - 12Gb/s SAS, Serial ATA/600 - PCI Express 3.0 x8 - Low-profile - Plug-in Card - RAID Supported - 0, 1, 1E, 10, JBOD RAID Level - 2 x SFF-8643 - 8 Total SAS Port(s) - 8 SAS Port(s) Internal SAS Controller offers maximum storage efficiency and convenience 12Gb/s SAS controller type allows safe and productive storage expandability with maximum reliability 0 RAID level for better cost-effectiveness and easy implementation with minimal effort required The PCI Express 3.0 x8 interface provides smooth data transfer and outstanding performance 244 physical drive supported for productive usability and optimal performance Plug-in Card form factor for added reliability and dependability SAS Controller provides an affordable storage expansion solution for your PC