Patent ID: 8254145

Claim:
An electronic device, comprising: a chassis having a chassis bottom wall, a chassis rear wall and a chassis sidewall, the chassis bottom wall, the chassis rear wall and the chassis sidewall perpendicular to each other; a motherboard secured to the chassis bottom wall, a first socket disposed on the motherboard; a mounting bracket secured to the chassis bottom wall and the chassis sidewall, the mounting bracket having a first mounting wall parallel to and spaced from the chassis sidewall, and a second mounting wall parallel to and spaced from the chassis rear wall; a first securing seat extends from the first mounting wall, and the first securing seat is secured to the bottom wall of the chassis; a second securing seat extends from the second mounting wall, and the second securing seat is secured to the sidewall of the chassis; a first riser card coupled to the first socket on the motherboard, and secured to the first mounting wall of the mounting bracket; and an expansion card module, one side of the expansion card module coupled to the first riser card, and an adjacent side of the expansion card module mounted to the second mounting wall of the mounting bracket.