According to one embodiment, a display device includes a housing, a chassis which holds a display panel inside the housing, and an HDD unit which is located behind the display panel. The HDD unit includes a case which has an opening portion opened toward rear of the display panel, a bracket which is provided inside the case, and an HDD which is housed inside the case by the bracket and has a heat-generating portion. The bracket has a heat-radiating portion which is thermally connected to the heat-generating portion. The heat-radiating portion is located on a side of the HDD, which is opposite to a side of the HDD facing the display panel, and exposed to inside of the housing through the opening portion.