EKWB EK-Supremacy MX CPU Waterblock, AMD CPU High Performance Copper Base G1/4" Threads Top: Injection moulded transparent MABS polymer with black anodized brushed aluminum cover Base: Mirror Finish Copper Supports AMD socket AM4, 939, 754, 940, F, C32, AM2, AM2+, AM3, AM3+, FM1, FM2, FM2+