5 x 3.5\" SATA Hot Swap into 3 x 5.25\" Drive BaysSpecification- 5 x 3.5\" SATA Hot Swap into 3 x 5.25\" Drive Bays?- Supporting 5 Bay SATA-I SATA-II and SATA-III 6GB/s /SAS Hot-swap- Steel material, ROHS compliance- Electromagnetism shield design- Redundant 4-pin molex power connectors- Support hot-swap- Supporting all operating systems- Ball bearing fan with air duct- Supporting RAID 0,1,5,6,10 functions( Raid card required)?- Drive bay: turn 35.25\" drive bay to 53.5\" hot-swap drive bay- Interface: SATA to SAS, SAS to SAS 6GB/s- Fan sensor: Fan failure sensor- Alarm: overheating alarm- Cooling system: 180mm ball bearing fan with air duct providing excellent cooling air flow- RAID: support RAID 0,1,5,6,10 functions( Raid card required)- Power connector: 24-pin molex power connector- Data connector: 5SATA( I, II or III) /SAS data port maximum 6GB/s- Dimension(LWH): 8.655.8 inch 220mm x 127mm x 146mm- Weight: 5.5 lbs