product : asus cooler royal knight for 4 in 1 asus royal knight cpu cooler cpu support : intel core2 extreme/ core2 quad (quad-core) intel core2 duo/ pentium dual core/ pentium d (dual-core) intel core2 duo/ pentium dual core (dual-core) intel pentium 4 ht/celeron d amd athlon 64 fx, amd athlon 64 x2, amd athlon 64 amd phenom fx/x3/x4, amd sempron cpu socket : intel lga 775 amd 754/939/940 amd am2/am2+/socket f(1207)/1207+ dimension(l x w x h) : 131 x 140 x 138 mm weight : 790 g