Abstract: An auxiliary fan that can reduce electricity consumption and increase cooling effects. Air flow which comes from a DC cooling fan is guided to impel one or more auxiliary fans. The auxiliary fans blow and exhaust hot air to increase cooling effects.

Abstract: A quick buckle assembly for a metal case cover particularly serves to quickly position and fasten a lateral plate or a case cover with respect to a case of a personal computer or a computer server. The quick buckle assembly has a buckle, having flexible wings formed at one or two ends, wherein each of the wings is provided with a fastening hook at a rear surface for rapidly coupling with positioning holes at the case and the case cover and thereby positioning and fastening the case cover with respect to the case.

Abstract: A modular loudspeaker device installable in a computer drive bay is provided, which turns a multimedia loudspeaker into a standardized device. The modular loudspeaker device, which matches a 5.25-inch drive bay of a case of a personal computer, can be disposed and secured in the 5.25-inch drive bay and connected with power and audio signals, so as to serve as a multimedia audio output device of the personal computer.

Abstract: An electric power free fan can not only reduce electricity consumption can also increase the cooling effects, it guides the air flow which comes from the DC cooling fan to impel one or more electric power free fans, it can use electric power free fans to blow and exhaust the hot air to increase the cooling effect.

Abstract: An industrial computer independent unit is disclosed for improving a standardized industrial computer. Especially, An industrial computer independent unit device capable of receiving a compact disk drive set, more than four hard disk drive sets, and a plurality of heat dissipating fans and the hard disk drive sets and the heat dissipating fans are updated or maintained without needing to stop an operation of a computer mainframe or to open a casing. In the present invention, if any of the disk drive set and heat dissipating fan has any fault, it will emit an alarm voice and the indicating lights will light up to inform the user and indicate a fault unit.

Abstract: An industrial computer independent unit is disclosed for improving a standardized industrial computer. Especially, An industrial computer independent unit device capable of receiving a compact disk drive set, more than four hard disk drive sets, and a plurality of heat dissipating fans and the hard disk drive sets and the heat dissipating fans are updated or maintained without needing to stop an operation of a computer mainframe or to open a casing. In the present invention, if any of the disk drive set and heat dissipating fan has any fault, it will emit an alarm voice and the indicating lights will light up to inform the user and indicate a fault unit.