NZXT started selling its Kraken X41 and Kraken X61 "smart" liquid CPU coolers. Equipped with the ability to interface with NZXT's CAM software over USB, which lets you monitor/control coolant temperature, pressure, and fan-speeds; the two are among the first to ship with 140 mm radiators. The Kraken X41 features a 140 mm x 140 mm radiator, while the Kraken X41 features 140 mm x 280 mm. Both ship with NZXT's FX V2 PWM fans which spin at speeds between 800 and 2,000 RPM, pushing between 42.4 and 106.1 CFM of air, with noise output ranging between 20 and 37 dBA. The coolers are compatible with all modern CPU socket types, including LGA2011, LGA115x, AM3+, and FM2+. The Kraken X41 is priced at 99.99€, and the Kraken X61 at 124.99€.