Model Number	A31
CPU Support	Supports AMD Socket SP3 TDP 180W Max Recommended for 1U Server and up
Connection	4 Pin (PWM)
Voltage	12V
Speed	At Duty Cycle 20%: 1500 RPM At Duty Cycle 50%: 4000 RPM At Duty Cycle 100%: 8000 RPM
Performance	At Duty Cycle 20%: 8.85 CFM At Duty Cycle 50%: 21.88 CFM At Duty Cycle 100%: 43.75 CFM
Volume	At Duty Cycle 20%: 25.6 dBA At Duty Cycle 50%: 46.9 dBA At Duty Cycle 100%: 62 dBA
Dimensions	120 x 82 x 27.5 mm 4.72" x 3.23" x 1.08" (in inches)
Fan Dimensions	80 x 80 x 13 mm 3.15" x 3.15" x 0.51" (in inches)
Weight	450g
Features	Shin-Etsu 7762 Thermal Grease