SilverStone XE02-3647NB is a CPU cooler designed for industrial or 2U rackmount servers with Intel LGA3647 Narrow sockets. This 64mm tall 2U active CPU cooler features a 4pin PWM dual ball bearing 60mm fan with speeds of up to 8400RPM for cooling power capable of 205W TDP. For those with a need for the most effective and reliable small form factor server/workstation cooler on the market, the XE02-3647NB is a top choice.