Data storage device with thermal protection

The invention provides a data storage device. The data storage device comprises a shell, a main circuit board and an external connector, the shell is provided with a plurality of ventilation openings,the main circuit board comprises a controller and a plurality of flash memory assemblies. The main circuit board is arranged in the shell and is wrapped by a fireproof material; the external connector is arranged outside the shell; a circuit connecting wire is connected between the main circuit board and the external connector; therefore, when the data storage device is located at a fire scene, the main circuit board is coated with the fireproof material so as to prevent the flash memory assembly on the main circuit board from being burnt out, and moreover, the ventilation opening of the shell is utilized, so that the data storage device has better heat dissipation and convection effects, the data storage device can be quickly cooled, and the integrity of data storage is further ensured. 本发明提供一种数据储存装置，其包括一壳体、一主电路