Dell PowerEdge E31S Series Owner's Manual page 118

Figure 57. Installing the expansion card riser 1
1. expansion card riser 1 cage
3. riser guide-back (right)
5. expansion card riser 1 connector
Figure 58. Installing the expansion card riser 2
1. power connector (for GPU cards)
3. riser guide-back
5. riser guide-front
118 Installing and removing system components
2. expansion card riser 1
4. riser guide-back (left)
6. riser guide-front
2. expansion card riser 2
4. expansion card riser 2 connector