ZALMAN ZM-NWB1 NorthBridge WaterBlock for Water Cooling, Pure aluminium (Anodized) base ensures optimal weight and heat dissipation, package contents include: 1 x Waterblock, 1 x Clip, 2 x Tube Clamps, 2 x Push Pin, 2 x Clip Hook, 1 x Thermal Grease. This Chipset water block cannot be used independently, it must be used with a water cooling system such as ZALMAN's Reserator 1⁄Plus Water Cooling System.