EKWB EK-Quantum Vector RTX 3080/3090 GPU Water Block, Digital RGB, Nickel/Plexi.Condition is "New/Open Box". Never used; basically new.Thermal Pads not included."EK-Quantum Vector RTX 3080/3090 D-RGB water block is compatible with most reference design (not Founders Edition) GeForce RTX 3080 and 3090 graphics cards. It is purpose-designed with a much thicker copper base to clear the tall capacitors on most reference design graphics cards. This gives the water block the advantage of having a wider compatibility list, without sacrificing any coolant flow restriction. "PLEASE NOTE:This block is made for reference PCB 3080 and 3090 cards. Founders Edition does NOT have a reference PCB.Due to the immense variety of fittings/barbs available on the market, we guarantee compatibility only with EK fittings.Factory backplates are not compatible with this water block!Check your toolbox if you are missing this special Hex adapter for some of the screws.This product should NOT be installed with any aluminum Fluid Gaming parts!The use of specifically engineered coolants that contain corrosion, scale, and biological inhibitors is mandatory to prevent damage to your nickel plated water block! EK is offering a selection of such products in the coolants section.