slot **
expansion slot

The Executive case has six expansion slots, but little room for an extra drive.

That's why the motherboard will include a series of expansion slots.

Special options (including additional system memory) required using expansion slots, of which four were available.

On the back were 3 expansion slots, one of which normally housing a video card.

An thin expansion slot was placed on the other side.

On a hardware level, it has no internal expansion slots.

The main board also had four 80-pin expansion slots.

The computer is reputed to have six expansion slots - at last!

Too bad, you might say, I've already used up all my precious expansion slots.

In addition, he only has one expansion slot, which houses his memory card.