Genuine Dell T091R P376R Optiplex 980 DT Desktop CPU Processor Cooling Heatsink Fan Bracket Assembly Compatible Part Numbers: T091R (Assembly), WC236 (Fan), P376R (Heatsink) Genuine Dell Optiplex 980 Desktop DT Fan Assembly Manufactuer: Dell Computers Connection: 5-Pin Compatible Part Numbers:T091R (Assembly), WC236 (Fan), P376R (Heatsink) Compatible Systems Include: Optiplex 980 Desktop Systems