This product is either discontinued or we cannot get that from suppliers.
Controller: Asmedia ASM1164, Connector: 1 x SFF-8088, Supported SATA driver numbers: 4 x SATA 6Gb/s drives, PCIe interfaces: PCIe Gen3 x2 (16Gbps), 03 Years Limited Warranty, QXP-400eS-A1164.