Intel Socket B / LGA 1366 Product Image P/N Application Cooler Dimension Fan Dimension Fan Type Fan Speed Bearing Mounting Method TIM CL-P0486 Xeon Nehalem-EP 90 x 90 x 63 (mm) N/A N/A N/A N/A Spring Screw Dow Corning TC-5026 CL-P0487 Xeon Nehalem-EP 90 x 90 x 45.5 (mm) 80 x 80 x 15 (mm) PWM 6000 (RPM) 1 Ball & 1 Sleeve Spring Screw Dow Corning TC-5121 CLS0005 Xeon Nehalem-EP TDP ≤ 130W 90 x 88 x 64 (mm) 60 x 60 x 25 (mm) PWM 5500 (RPM) Long Life Sleeve Spring Screw Dow Corning TC-5121 Intel Socket J / LGA 771 Product Image P/N Application Cooler Dimension Fan Dimension Fan Type Fan Speed Bearing Mounting Method TIM CL-P0303 Xeon Dempsey TDP ≤ 120W 91.8 x 78.7 x 73 (mm) 70 x 70 x 15 (mm) PWM 3600 (RPM) 1 Ball & 1 Sleeve Spring Screw Dow Corning 5022 CL-P0439 Xeon Woodcrest Clovertown 88.9 x 78.7 x 69 (mm) 70 x 70 x 15 (mm) PWM 6000 (RPM) 1 Ball & 1 Sleeve Spring Screw Dow Corning TC-5121 Intel Socket 604 Product Image P/N Application Cooler Dimension Fan Dimension Fan Type Fan Speed Bearing Mounting Method TIM A1964 Xeon Nocona 88.9 x 78.7 x 71.3 (mm) 70 x 70 x 15 (mm) PWM 5500 (RPM) 1 Ball & 1 Sleeve Spring Screw (CEK Spring Bundle) Dow Corning SC-102 A1960 Xeon Nocona 86.9 x 78.8 x 53.3 (mm) N/A N/A N/A N/A Spring Screw Shin Etsu G751 CL-P0173 Xeon Irwindale 88.9 x 78.7 x 71.3 (mm) 70 x 70 x 15 (mm) PWM 6000 (RPM) 1 Ball & 1 Sleeve Spring Screw (CEK Spring Bundle) Dow Corning SC-102