EonStor GS 4000 Gen2 2U/ 25bay,dual redundant 4x12Gb/ s SAS EXP,8x10Gbe/ iSCSI(SFP+)+4xhost board,4x4Gb,2x(PSU+FanModule),2x(SuperCap.+Flash module),25xdrive trays,1xRackmount Kit (GS 4025R2CBF-D) (GS4025R02CBFD-8U32)