Dell OptiPlex GX50 User Manual page 69

Press the lever on the expansion card retention arm and raise the
5
retention arm.
S m a l l Fo r m - Fa c t o r C o m p u t e r
1 card-edge connector
2 expansion card
3 hinged lever
4 retention arm
5 expansion-card connector
1
2
3
4
5
In s ta l l i n g U p gr a d e s
67