Dell PowerVault MD1200 SAS 3 x 4TB SAS 7.2k. Dell PowerVault MD1200 Direct Attached Storage Array.3 x 4TB 7.2k SAS 3.5 Dell HDD. 2 x SAS 6G Redundant Controller (1 x SFF-8088 IN, 1 x SFF-8088 OUT Per Controller). X12 way backplane for up to 12 x 3.5 SAS or SAS SSD hard drives. Connectivity via PERC H800 or H810 (Not Included). The MD1200 can be used as an expansion array or can be connected directly to a server using a PERC H800/H810.