- The NZXT F240 RGB Core has a single-frame dual-fan design for quick, hassle-free installation - They can really get the air going with speeds up to 2400 rpm - It's PWM controlled so it'll adjust the speed based on the temperature of your hardware - The Fluid dynamic bearings keep things running smooth and quiet for up to 60,000 hours, so it's built to last - The rubberized corners absorb vibrations, keeping your rig steady and silent the whole time - Each fan has 8 addressable RGB LEDs for bright and colourful visuals