SilverStone XE04-SP3B is a CPU cooler designed for industrial or 4U rackmount servers with AMD SP3/TR4 socket. This 119mm tall 4U active CPU cooler features a 4pin PWM dual ball bearing 92mm fan with speeds of up to 3800 RPM for cooling power capable of 280W TDP. For those with a need for the most effective and reliable 4U form factor server/workstation cooler on the market, the XE04-SP3 is a top choice.