3-Pin header with approximately 3" (75mm) power line Fan Dimension (Diameter x Height) approximately 2 7/8" (75mm) x 3/8" (10mm) Mounting hole center to center distance are approximately: 1 5/8" (40mm), 1 5/8"(40mm) and 1 5/8" (40mm). Please measure the distance and make sure the mounting hole will fit your card. Make sure your card can accept 4 pin connector. Please also make sure your heat sink can take the height of the fan. The fan can fit multiple models of cards so please make sure the fan's size will fit your card. No return is accepted and no replacement is available for mounting hole position, pin or height mismatch. (bulk stored may have minor scratch not affecting function)