EK-Quantum Vector² Xtreme RTX 3080/90 Side Cover - Nickel 3831109896167 EK-Quantum Vector² Xtreme RTX 3080/90 ABP Side Cover - Nickel is a metal plate covering the gap between the water block and the active backplate. It is made from nickel-plated aluminum. It is used exclusively in conjunction with both the water block and the active backplate. It hides the terminal side of the PCB, ensuring that no part of the PCB is visible. Specifications: Enclosed: EK-Quantum Vector² Xtreme RTX 3080/90 ABP Side Cover - Nickel