EK-Quantum Vector² RE RTX 3080/90 ABP Side Cover - Silver 3831109862001 EK-Quantum Vector² RE RTX 3080/90 ABP Side Cover - Silver is a metal plate covering the gap between the water block and the active backplate. It is made from aluminum with a natural anodized finish. It is used exclusively in conjunction with both the water block and the active backplate. This Silver finish perfectly complements EK's Satin Titanium products. Specifications: Enclosed: EK-Quantum Vector2 RE RTX 3080/90 ABP Side Cover - Silver