The best materials are used in the housing, making this 3.5” hard drive solution the ideal partner for extreme loads. In terms of security requirements, the backplane is well-equipped with its lockable bays. The active 80x80 mm fan operates efficiently and adjusts its speed according to the temperature, keeping the housing quite quiet. Additionally, the aluminum construction contributes to passive convection to the environment. Visual and acoustic signals indicate the current status of the hard drives and the fan at all times. The alarm temperature for the signal can be set to three levels (55° C, 60° C, 65° C). Host connection: Mini SAS HD (SFF-8643) up to 12 Gbit/s. Supports SATA III (6 Gbit/s) and SAS III (12 Gbit/s) HDD/SSD. Full aluminum and metal backplane for 3x 5.25“ bays. Lockable backplane. HotSwap and Plug & Play, no capacity limitation. LED indicators for power, hard drive access, fan error, and temperature alarm. 80x80 mm fan. Supports Windows and Mac. IB-564SAS-12G, manual, 8x mounting screws, 2x keys.