High density stagger fin design, provides maximum surface exposure area for superior cooling performance. Water block’s base is machined to .0003 per inch run-out which optimizes surface contact and maximizes thermal conductivity performance. Compatible with all 1/2”, 3/8” and 1/4” coolant tubing. Multiple mounting systems for maximum installation versatility. Compatible with most recent SLI motherboards. 100% leak tested and inspected direct from factory. Dimension 58(L) x 58(W) x 23.3(H )mm Base 50(L) x 50(W) x 9(H) )mm Total Weight 110g Sapphire Northbridge Waterblock 1/2” High Flow Hose Barb Hose Clamps Installation Guide Hard Mount Pack Spring Mount Pack Wire Clips Pack