BE QUIET Dark Rock 4 135 mm Silent Wings Fan CPU Cooler – Black

The MasterLiquid all-in-one liquid CPU cooler is custom, inside and out.
Our low-profile dual chamber pump outperforms its single chamber predecessors in heat transfer. The MasterFan Air Balance fans work with our characteristically sturdy build quality to keep this thing as quiet as a library.
Kink-free, factory-sealed FEP tubing now comes sleeved for a premium look. Screw it in and experience the quiet power of liquid cooling without ever worrying about refills or maintenance. Enjoy the work of decades of thermal innovation.

Features:
 

• Exclusive Tech– Cooler Master controls quality and builds on decades of innovation with 100% in-house design and manufacturing. 
• Low-Profile Dual Chamber– Cooler Master exclusive LowProfile Dual Chamber design to improve the performance and lifespan of the pump. Its fiber-reinforced polymer (FRP) construction resists a broad range of chemicals and is unaffected by moisture or immersion in water. Our pump is light and impervious to oxidation and corrosion.
• Dual MasterFan– Pro Air Balance Fans Dual MasterFan 120 Air Balance with hybrid design of jet engine and helicopter blades gives a perfect balance of air pressure and air flow. User can add 2 more fans for push-pull configuration if wanted as well. 
• FEP tubing– The FEP tubing allows maximum, unrestricted water flow and decreased evaporation rate for greater durability. 
• Sleeves– the FEP tube comes with its own sleeve, enabling your rig to stand out better than ever before. 
• Quiet Operation 6-30 dBA– One of the greatest advantages of liquid cooling is silence. The sturdy build of MasterLiquid coolers mean less noise and vibration, making our AIOs some of the quietest in-class. 
• White LED– Cooler Master white LED logo on the top of stylish round shape water block. 
• Twist and Play– Get a screwdriver, and you can have this thing running in five minutes. 
• *AMD Ryzen AM4 Compatible*

 
 
Dual Dissipation– Our low-profile dual chamber pump bumps up performance and durability over our last-gen single chamber pump designs.
Library Quiet– A sturdy build keeps vibrations and rattle to nearly inaudible levels.
Push-Pull Fans– To avoid dynamic losses, the dual MasterFan setup provides added pressure to push hot air through the radiator.
Sleeved FEP– Underneath sleek black sleeves, FEP material beats rubber tubing in keeping liquid where it belongs– inside the cooler.
AMD Ryzen AM4 Compatible
2 Year Warranty