CHENBRO SK33502T2 3 x ODD Bays to 5 x 3.5 Hot-swap HDD Bays Type: Storage Kit Specifications: Support Backplane: 6Gb/s SATA Hot-Swap 3.5: 5 Connector (To Drive): 5 x (22+7) pins SAS connector Connector (To Host): 5 x 7 pins SATA/SAS connector Metal Material: SGCC System Cooling: 1 x 80 mm rear fan Front Control: Alarm Mute Indicator: Power ON/OFF, Overheat Warning, Fan and HDD Failure LED Ports: 2 x USB 2.0 Ports Dimensions: 8.6 x 5.8 x 5