4U/Tower Active fan for Intel Xeon socket S4677/ 4710 ( 350W ) 1-Way UP
Server CPU Cooler - 4U / Tower Form Factor - For Intel LGA 4677 Processors - Aluminum + Copper Heatsink - Copper Heatpipes - 350W Max TDP
2U+ Active FAN for S1366 /1356 ( Screw On w/ Mount bracket)
( for LGA-1366 Xeon E56xx X56xx W3500 W3600 CPU ) - CPU Cooler - 80mm Fan - 4200RPM Fan Speed - 45 dBA Acoustical Noise - Aluminum + Copper Heatsink