XE04-4189 is a CPU cooler designed for indrial or 4U rackmount servers with LGA 4189 sockets. This 126mm tall 4U active CPU cooler features a 4pin PWM dual ball bearing 92mm fan with speeds of up to 5,000 RPM to effectively cool CPUs' up to 270W TDP. For those with a need for the most effective and reliable 4U server/workstation cooler on the market, the XE04-4189 is a top choice.