Zalman Cup Cooler Cnps9700Nt Compatible With All Single And Dual Core Cpus For Product Type - CPU Cooler -- Intel Celeron D/ Pentium 4/ Pentium D/ Core 2 Duo , Socket 775 -- AMD Sempron/ Athlon 64/ Athlon 64 X2/ Athlon 64 FX, Socket AM2 -- AMD Sempron/ Athlon 64 , Socket 754 -- AMD Athlon 64/ Athlon 64 X2/ Athlon 64 FX/ Opteron/ Dual-Core Opteron , Socket 939