Attachment mechanism for fastening expansion card

1. An attachment mechanism for fastening an expansion card, comprising:

a bracket to be fastened to a first end of the expansion card; and

a bar abutting a side of the expansion card adjoining the first end, and to be fastened to both of the first end of the expansion card and a second end of the expansion card opposite to the first end.

2. The attachment mechanism of claim 1 , wherein the bar comprises a main body to abut the side of the expansion card, a fastening tab extending from a first end of the main body to be fastened to the first end of the expansion card, and a block extending from a second end of the main body to be fastened to the second end of the expansion card.

3. The attachment mechanism of claim 2 , wherein the bracket comprises a mounting tab, the fastening tab is fastened between the mounting tab and the expansion card.

4. The attachment mechanism of claim 3 , wherein the bracket further comprises a base body perpendicular to the main body, the mounting tab extends from the base body.

5. The attachment mechanism of claim 3 , wherein the fastening tab defines a first through hole, the mounting tab defines a locking hole, a fastener extends through a second through hole defined in the expansion card and the first through hole, and engages in the locking hole.

6. The attachment mechanism of claim 2 , wherein a latching slot is defined in the block, the second end of the expansion card engages in the latching slot.

7. The attachment mechanism of claim 6 , wherein the block includes a sidewall facing the main body, and a bottom wall adjoining the sidewall, the latching slot extends through the sidewall and the bottom wall.

8. The attachment mechanism of claim 7 , wherein the bottom wall engages in a notch defined in the second end of the expansion card.

9. An assembly, comprising:

an expansion card;

an enclosure;

a bracket fastened to a first end of the expansion card and the enclosure; and

a bar abutting a side of the expansion card adjoining the first end, and fastened to both of the first end of the expansion card and a second end of the expansion card opposite to the first end.

10. The assembly of claim 9 , wherein the bar comprises a main body to abut the side of the expansion card, a fastening tab extending from a first end of the main body to be fastened to the first end of the expansion card, and a block extending from a second end of the main body to be fastened to the second end of the expansion card.

11. The assembly of claim 10 , wherein the bracket comprises a mounting tab, the fastening tab is fastened between the mounting tab and the expansion card.

12. The assembly of claim 11 , wherein the bracket further comprises a base body perpendicular to the main body, the mounting tab extends from the base body.

13. The assembly of claim 12 , wherein the base body is parallel to the enclosure, an end wall extends from the base body and is fastened to the enclosure.

14. The assembly of claim 11 , wherein the fastening tab defines a first through hole, the expansion card defines a second through hole, the mounting tab defines a locking hole, a fastener extends through the second through hole and the first through hole, and engages in the locking hole.

15. The assembly of claim 10 , wherein a latching slot is defined in the block, the second end of the expansion card engages in the latching slot.

16. The assembly of claim 15 , wherein the block includes a sidewall facing the main body, and a bottom wall adjoining the sidewall, the latching slot extends through the sidewall and the bottom wall.

17. The assembly of claim 16 , wherein a notch is defined in the second end of the expansion card, the bottom wall engages in the notch.