3-in-2 backplane module for 3.5-inch SATA hard drives. Supports SATA Hot Swap. Comes with a removable frame. Compatible with 3.5-inch SATA I/II/III HDDs (SATA 6 GBit/s). Each drive features LED status indicators. Dimensions: 146.4 x 200.4 x 85.8 mm. The company Icy Dock offers a practical 3-in-2 metal backplane with their MB-153SP-B 'Fatcage' for use with 3.5-inch SATA hard drives, allowing three drives to be efficiently housed in just two drive bays. The metal housing, equipped with numerous ventilation holes, facilitates effective heat dissipation, while cooling is supported by the built-in 80mm fan.