This product is either discontinued or we cannot get that from suppliers.
Models FS3017, External Ports MiniSAS HD x 1, Data Transfer Rates 12Gb/s SAS compliant, PCIe Interface PCIe 3.0 x8, Operating Temperature 5°C to 35°C (40°F to 95°F), Storage Temperature -20°C to 60°C (-5°F to 140°F), Relative Humidity 5% to 95% RH.
The FS3017 Expansion Card (FXC17) is exclusively designed for Synology FlashStation FS3017 to connect to Synology expansion units RX1217sas and RX2417sas.