Arctic just announced the new line of heatsinks for CPUs, with a 92mm PWM fan, designed for a 24/7 workload and with a dissipating capacity up to 150W.The CO abbreviation stands for the "Continuous Operation" of these heatsinks, with copper heat pipes at direct contact with the CPU, studied for whoever utilizes a home PC almost like a server.Arctic stated in fact that those heatsinks have a life span up to 5 times the standard model, moreover the fans mount Japanese double ball bearings, less sensible to the dust and heat, capable to generate less friction during the rotations.As always Arctic products are characterized by an excellent price/quality ratio and these new heatsinks are not exception, they have a 6 years warranty and on the official shop they can be found at a price of €39,99, moreover the thermal paste included in the box is the MX-4, one of the best on the market.