EVGA Hydro Copper Water Block Cooling for GeForce GTX 980 400-CU-G980-B1 Created from a solid copper block, this choice of material allows for extreme thermal conductivity, thus providing the best thermal performance available for liquid cooling. Internal high flow liquid paths allow for coolant to get in and get heat out as quickly and as efficiently as possible. Full Component Coverage Integrated Internal Pressure Points Glowing EVGA Logo Chrome Plated Electrolytic C110 Copper Compatibility: 04G-P4-2980-KR, 04G-P4-2981-KR, 04G-P4-2982-KR, 04G-P4-2983-KR, 04G-P4-1982-KR, 04G-P4-1980-KR