Model: KA-9226ACU Intel: Celeron D~2.93 GHz (340J), Core Duo 2.33 GHz (775 Dual-Core), Pentium 4 3.73 GHz (775 Prescott), Pentium EE 3.73 GHz (775 Dual-Core), Pentium D 3.4 GHz (775 Dual-Core) AMD: AM2, Athlon 64~4800+ (K8), 64 FX-51 (K8), 64 FX-53 (K8), 64 FX-55 (K8), 64 FX-57 (K8), 64 FX-60(K8), Opteron 2.6 (K8), Sempron 3300 (K8) Special 4 copper heat pipes thermal cooling technology Easy installation by specially design clip All copper heatsink w/ copper base 90 x 90 x 25 mm blue LED ball bearing fan