Genuine Dell H7058 PC Case CPU Cooling Fan Assembly For Dimension E310, E510, E520, E521, 3100, 5000, 5100, and 5150 Mini Tower (MT) Fan Part/Model Numbers: Y4574, U6368, 4715KL-04W-B56 Brand: Dell Part Number: H7058 Model: 4715KL-04W-B56 Color: Black Type: CPU Fan