cover slot ✓ Why should you cover rear motherboard slots that are not being used?

cover slot
Buy a Steel Full Profile Expansion Slot Cover Platecover slot A cover to help keep dust out and maintain airflow through the case

cover slotH28232 153040S ECONOMY T-SLOT COVER - BLACK • Covers t-slot to keep dust and dirt out • Covers wires and tubes in t-slot • Provides a finished look

cover slot Cover Profile Slot 10 - Model Plastic PP, slot 10 Description To cover T-Slots with 10 mm width and a 6 mm profile