Patent ID: 8456827

Claim:
A computer, comprising: a base including an opening formed therein; a first hard disk drive (HDD) positioned in a housing of the base through the opening in a direction substantially perpendicular to a bottom surface of the base; a first door that encloses the first HDD inside the housing of the base; a second HDD separately positioned in the housing of the base through the opening in the direction substantially perpendicular to the bottom surface of the base after the first HDD is positioned in the housing of the base such that the computer includes both the first HDD and the second HDD; and a second door that encloses the first and second HDDs inside the housing of the base, wherein the first door connects to the housing when the computer includes the first HDD without the second HDD, wherein the second door replaces the first door and connects to the housing when the computer includes both the first HDD and the second HDD, and wherein the second door has a cavity shaped to receive the second HDD.