BP-TLASAC3141 is a 5.25” HDD tray-less backplane module that is designed to store 4 x 3.5” HDD. It is also compatible with both SATA and SAS interfaces which support up to 6Gbps transfer rate. In order to meet any application needs, the compact design of the storage allows extra storage. Its hot swap capability also imposes needs to ensure viability of the component, which is subjected to live insertion and removal. In addition, the body made of aluminum material protects and disperses heat to storage units. Moreover, 80mm cooling fans maintains the temperature by providing accesses for the air to control the heat on internal storage units. Furthermore, the LED lights as built-in feature of the module indicate the hard drives statuses continuously.