EK-Quantum Vector² Strix/TUF RTX 3090 Ti Side Cover - Nickel 3831109897980 EK-Quantum Vector² Strix/TUF RTX 3090 Ti 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 Strix/TUF RTX 3090 Ti Side Cover - Nickel