EKWB EK-Quantum Velocity CPU Water Block, AMD CPU, AMD CPU, Copper/Acetal November 30, 2021 by EKWB high-performance flagship CPU waterblock for modern AMD CPUs%ocs%Top: CNC Machined POM Acetal%ocs%Base: Mirror Finish Copper%ocs%G1/4″ Threads%ocs%AMD Socket Compatibility: AM4