| 摘要 |
A bi-directional side emplacing computer casing includes a cage, two side boards, and an expansion rack. Openings of the expansion rack are facing toward a left side and a right side to the cage respectively, and its two side walls are provided with plural sets of symmetric sliding grooves extended inward from the openings at two sides. The symmetric sliding grooves are not interconnected, so as to provide for a sliding and an insertion of expansion equipment having roller screws. In addition, the two side boards are all provided with expansion holes corresponding to the expansion rack, such that the expansion equipment can be emplaced at any side of the computer casing to be in compliance with a requirement of an operator.
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