3x 5.25" to 5x 3.5" 2.5" 12Gb/s HDD SSD Hot-swap Rack Stylish aluminum color handle and heat-sink body Support Hot-Swap & RAID Configuration (need an additional RAID controller) Aluminum Design with Conductive Dissipation Grooves Power, fan and high temperature LED indicators High Performance Transfer Rate up to 12Gb/s Supports Both 2.5" and 3.5" SAS I/II/III & SATA I/II/III HDD/SSD Equipped with Fan Speed Control Switch 14TB Hard Drives Compatible Product Introduction High level RAID and high availability storage in compact design, BPU-350HD series adds extra storage and hot-swap capability to satisfy any application needs. The BPU-350HD is constructed of aluminum material that provides best heat dissipation required for high performance SAS/SATA drives. It is designed with excellent front to back vent airflow. The BPU-350HD is an ideal solution for internal server RAID and JBOD applications. Aluminum body and extra 80mm cooling fan subsystem complete a high end data storage server or workstation.