16+4 port 12Gb/s SAS PCIe 3.0 (x8) Dual Core RAID Controller w/ 4GB DDR3 ECC Cache (4x Internal SFF-8643 Ports + 1x Enternal SFF-8644 Port) Includes 4x MiniSAS HD (SFF-8643) to 4x SATA Breakout Internal Cables

16+4 port 12Gb/s SAS PCIe 3.0 (x8) Dual Core RAID Controller w/ 4GB DDR3 ECC Cache (4x Internal SFF-8643 Ports + 1x Enternal SFF-8644 Port) Includes 4x MiniSAS HD (SFF-8643) to 4x SATA Breakout Internal Cables - 0.75 meter each