ATI Radeon 9800 Pro Video Card Fan Replacement 2-Pin header with approximately 2 1/4" (57mm) power line Fan Dimension (LxWxH) approximately 1 3/4" (44.5mm) x 1 3/4" (44.5mm) x 1/4" (6mm) Mounting hole center to center distance are approximately: 1 1/8" (27mm), 1 3/8"(35mm) and 1 3/8" (35mm)