Solid-state drive

1. A solid-state drive, including:

a substrate, having a transmit port;

a flash memory module, disposed on the substrate and electrically connected with the transmit port;

at least one light-emitting portion, disposed on the substrate and electrically connected with the transmit port;

at least one light-guiding portion, at least partially covering the light-emitting portion; and

a shell portion, covering two side faces of the substrate, the shell portion formed with a light-transmittable portion, the light-transmittable portion corresponding to the light-guiding portion;

wherein the substrate is formed with one said light-emitting portion at a center of a side face substantially perpendicular to a thickness direction thereof, and one said light-guiding portion covers the light-emitting portion.

2. The solid-state drive of claim 1 , wherein the substrate further includes a processing unit, and the processing unit is electrically connected with the light-emitting portion and able to control the light-emitting portion, and the processing unit is electrically connected with a temperature sensing unit, the temperature sensing unit senses a temperature of at least one of the substrate, the flash memory module and the light-emitting portion to produce a sensing signal, and the processing unit controls the light-emitting portion according to the sensing signal.

3. The solid-state drive of claim 2 , wherein the light-emitting portion includes a first light-emitting module capable of emitting a first color and a second light-emitting module capable of emitting a second color, the first and second colors are different, the processing unit is able to control at least one of the first and second light-emitting modules to be electrically communicable or incommunicable with the transmit port.

4. The solid-state drive of claim 1 , wherein the transmit port is a port for USB (universal serial bus), SATA (serial advanced technology attachment) or IDE (integrated development environment).

5. A solid-state drive, including:

a substrate having a transmit port;

a flash memory module, disposed on the substrate and electrically connected with the transmit port;

at least one light-emitting portion, disposed on the substrate and electrically connected with the transmit port;

at least one light-guiding portion, at least partially covering the light-emitting portion;

wherein one said light-emitting portion is disposed on a circumferential side of the substrate, and one said light-guiding portion covers the light-emitting portion;

wherein the solid-state drive includes a shell portion, the shell portion includes two shell members, the two shell members cover two side faces of the substrate substantially perpendicular to a thickness direction thereof respectively, a circumferential side of the shell portion is formed with a light-transmittable portion, and the light-guiding portion is disposed between the two shell members and corresponding to the light-transmittable portion.

6. A solid-state drive including

a substrate, having a transmit port;

a flash memory module, disposed on the substrate and electrically connected with the transmit port;

at least one light-emitting portion, disposed on the substrate and electrically connected with the transmit port;

at least one light-guiding portion, at least partially covering the light-emitting portion;

wherein the substrate further includes a processing unit, and the processing unit is electrically connected with the light-emitting portion and able to control the light-emitting portion;

wherein the solid-state drive includes a transmission speed detecting unit, the transmission speed detecting unit is electrically connected with the processing unit and the transmit port, the transmission speed detecting unit is able to detect a transmission speed of the transmit port to produce a detecting signal, and the processing unit is able to control a light-emitting mode of the light-emitting portion according to the detecting signal.