CR679 / JW063 / YK838 6IR 8-Port SATA/SAS HDD Controller & SAS Expander Host Card for R610 R710

Compatible replacement 8-port SATA/SAS HDD controller card that functions as a host card and SAS expander. This unit corresponds to part numbers CR679, JW063 and YK838 and the 6IR designation. Built for use in Dell R610 and R710 servers, it provides eight SATA/SAS connections to expand or restore HDD storage connectivity. Ideal for replacing a faulty controller or adding additional drive interfaces in server storage setups.