LSI LSI00342 PCI-Express 3.0 x8 Full height SAS 16-port Host Bus Adapter--Avago Technologies External Connectors: 4 x SFF-8644 mini-SAS HD Internal Connectors: 2 x LSISAS3008 12Gb/s SAS+SATA Controllers Transfer Rate: Half Duplex x8, PCIe, 8000 MB/s Dimensions: 4.4 x 6.6