Genuine Dell RR527 CPU Cooling Fan and Shroud Assembly for Optiplex 210L, 320, 740, 745, 330, 360, 755, 760, 780, GX520, GX620 Mini-Tower Systems, Compatible Part Numbers: Y4574, G9096, H9073, P714F Genuine Dell CPU Cooling Fan and Shroud Assembly For Optiplex 210L, 320, 740, 740e, 745, 745c, 745e, GX520, GX620 Mini-Tower Systems