Patent ID: 6985360

Claim:
A computer enclosure comprising: a chassis including a bottom plate, a rear plate and a side plate all perpendicularly inter-connected, the rear plate forming a slideway, and a beam at a top portion thereof, and defining an opening between the slideway and the beam; a rear window frame attached to the chassis, the rear window frame comprising a bottom panel having a slide board slidably received in the slideway, and an expansion slot frame received in an end of the opening, the expansion slot frame defining an expansion card slot; an expansion card seat attached to the rear plate, the expansion card seat comprising a base plate received in the opening of the rear plate adjacent the expansion slot frame, and a locking plate engaging with the beam, the base plate defining a plurality of expansion card slots; and a retaining plate detachably attached to the expansion card seat for retaining expansion cards in the chassis at the expansion card slots.