EonStor DS 4000 Gen2 2U/ 24b,dual controller,2x12Gb/ s SAS EXP.,8x1G iSCSI,4x host board slot,2x4GB,2x(PSU+FAN Module),2x(SuperCap.+Flash module),24 drive trays,1xRM kit (ESDS 4024US-F) (DS4024R2CB00C-8U32)