Based on Noctua's signature NH-U12 series and fitted with the award-winning
NF-P12 fan and NT-H1 thermal compound, the NH-U12DX 1366 forms a complete
premium quality package that provides outstanding quiet cooling performance
for Intel's LGA1366 Xeon 5500/5600 CPUs. The new SecuFirm2 mounting system
for LGA1366 is highly convenient and makes the NH-U12DX 1366 a tailor-made
drop-in replacement for standard Intel coolers. To make your Xeon 5500/5600
systems quieter has never been so easy!
Caution: The NH-U12DX 1366 can only be used on mainboards that have a
backplate with screw threads for CPU cooler installation (such as the Intel
reference backplate for Xeon 5500). The cooler is thus incompatible with
Xeon 3500 and Core i7 motherboards that don’t have such a backplate. Please
choose Noctua's NH-U12P SE2 for these motherboards.