Everyone and their CPU-cooler-manufacturing mother are jumping aboard the skyscraper-formfactor bandwagon, hoping to match the performance of Thermalright’s Ultra-120 eXtreme and Noctua’s NH-U12P air coolers. Last month we tested Zalman’s attempt, and this month we have Thermaltake’s answer, the ISGC-300, one of a series of four ISGC-branded air coolers recently released into the wild. Thermaltake’s creative relationship with the English language is responsible for the ISGC moniker, which stands for “Inspiration of Silent Gaming Cooling.”