EK-CoolStream XE is a extreme-performance computer water-cooling radiator which combines EK\'s unique CSQ design with latest radiator core engine. Built for EK-Vardar 120mm high static pressure fans, these radiators are optimized for maximum heat dissipation across entire fan operational range thus delivering exceptional performance at both low- and high airflow operation.EK assured quality level, optimal price-performance ratio and unique minimalistic design make these EK-CoolStream XE series radiators a perfect choice for any computer water cooled system.This radiator offers best cooling capacity in the 60mm thick radiator class: Triple stack copper fins provide massive surface area while the parallel flow cooling chambers reduce hydraulic flow resistance to a minimum. Radiator shrouds are tapped with UNC 6-32 threads on both sides to enable push-pull fan installation to even further increase the cooling performance.This product features four recessed G1/4 threaded ports with two pre-installed extenders from the front side to allow any G1/4 threaded fitting to be used. From the back side the ports are closed with two G1/4 plugs. EK recommends EK-ACF series compression fittings.Specification:- Material: Copper fins, 90% copper tubing (H90), Brass chambers, Aluminum/Steel housing- Dimensions: 280 x 130 x 60mm (L x W x H)- Weight: 1,3kg- Liquid Capacity: 290mL- FPI: 16- Port threads: 4x G1/4- Fan compatibility: any standard size 120x120x25mm fan; UNC 6-32 thread tapping- Pressure tested: 1bar(g)Contents: - EK-CoolStream XE series radiator /w two pre-installed G1/4 extenders- Flat-head UNC 6-32 screws (l=30mm)- Flat-head UNC 6-32 screws (l=5mm)- Allen key 2,5mm- Allen key 9mm- Allen key 6mmPLEASE NOTE:- When using fans other than standard 120x120x25mm size please use appropriately long screws! - Use of the improperly long screws may result in piercing of the radiator core and irrepairable damage the product. Such misuse is not covered by product warranty!