Heat Sink Stabilizer Plate       Show Part Numbers       Hide Part Numbers 2510651, 2510652, 2512450, 2512451, 2512808, 2513567, 2513568, 2513569, 2513603, 2513604, 2513605, 2513606, 2513793, 2513794, 2513796, 2514223, 2514224, 2514225, 2514601, 2514602, 2514603, 2514604, 2514605, 2514606, 2514858, 2515128, 2516096, 2516097, 2516098, 2516099 This is the heatsink stabilizer plate. The heatsink is fastened to the plate with four screws that go through the motherboard. The plate has feet on it which, like the stand-off feet, slide into notches in the computer case. This greatly improves the stability of the motherboard, processor, and heatsink.