FIG. 1 is a front perspective view of a first embodiment of an external enclosure portion of a removable expansion card, according to our new design shown on an enlarged scale;

FIG. 2 is a right side view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a left view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a front view thereof;

FIG. 8 is a front perspective view of a second embodiment of an external enclosure portion of a removable expansion card according to our new design shown on an enlarged scale;

FIG. 9 is a right side view thereof;

FIG. 10 is a rear view thereof;

FIG. 11 is a bottom view thereof;

FIG. 12 is a left view thereof;

FIG. 13 is a top view thereof; and,

FIG. 14 is a front view thereof.

The broken line portions in the drawings are for illustrative purposes only and form no part of the claimed design.

The broken line showing of environment is for illustrative purposes only and forms no part of the claimed design.