Note: This kits only compatible with INTEL original plastic buckle (the original box fan installed with the CPU). And the same type of screw spring radiator replacement.
Compatible with Intel 775, lga 115X (1155, 1156, 1150, 1151), 1366, 2011 motherboard use, universal backplane, adjustable. Compatibility is very good.
Motherboard backplate can adjuste the hole distance. 775 hole pitch is 7.2cm; 1155, 1156, 1150, 1151 hole distance is 7.5cm; 1366, 2011 motherboard hole spacing is 8.0cm (note that not all 2011 motherboards can be used, the main difference is the 4 screw holes for fixing the heat sink.)
Note: Some HP/DELL motherboards use very special high-instep backplanes. If they cannot be used, you can directly apply for return.
Material: Plastic+Iron. One Set kits contains an adjustable backplane, 4pcs screw, 4pcs spring and 4pcs gasket.