Provided are a storage device and a server device including the same. The storage device includes a non-volatile memory unit, a connector including a plurality of pins connected to an external host device, a display unit including at least one light-emitting device, and a controller configured to communicate with the host device through the connector and control the non-volatile memory unit. The display unit is separately connected to an interface of the controller that is separate from the connector that connects the storage device to the host device and may display first status information according to control of the controller and/or display second status information according to control of the host device.