Dell DELL-6248-FANKIT-2 2x Quiet Power Supply Replacement Fans for Dell PowerConnect 6248 (XT800) 18dBA Noise (DELLDELL-6248-FANKIT-2 ) Dell DELL-6248-FANKIT-2 2x Quiet Power Supply Replacement Fans for Dell PowerConnect 6248 (XT800) 18dBA Noise