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And "???" is what? The model case used here has several 3 1/2" drive bays that go down just above the floppy drive opening. Ironically the two ide drives and the new sata just added while being one slot apart still sit where the incoming air flows right over them. The 120mm rear case fan along with the two 120s mounted on the side cover saw the overall air flow increased enough to see the idle board temp drop 17C. Meanwhile grab SpeedFan while you can if you need a free program. The final version was just released.