Dynatron K555 User Manual

NEW PRODUCT SPEC SHEET

Model Number: K555

• Recommend for Intel® Core™ i5 I5-750; Xeon® Processor 3400 Series; Core™ i7 Processors

I7-870 & I7-860; Socket LGA1156

• Active Cooler for 2U Server & Up

Overall Specification:

• Dimension: 94.0 x 87.5 x 67.7mm

• Weight: 460g ± 5g

• Material: Copper Base & Aluminum Fins with Heat pipes embedded

• 7720 Top-Down Blowing Fan

• Captive with Screw-on Retention

• Finger Guard Protection

• Back Strip Set is included

• Thermal Grease Pre-Printed with GE-Toshiba TIG830SP

• Support CPU Power up to 95 Watts

Fan Specification:

• Dimension: 77 x 77 x 20mm

• Bearing: Double-Ball

• Rated Voltage: 12V

• Rated Speed:

o At Duty Cycle 0~20%: 1000 RPM
o At Duty Cycle 50%: 2500 RPM
o At Duty Cycle 100%: 4500 RPM

• Rated Input Power:

o At Duty Cycle 0~20%: 0.84 W
o At Duty Cycle 50%: 1.44 W
o At Duty Cycle 100%: 6.0 W

• Rated Airflow:

o At Duty Cycle 0~20%: 10.12 CFM
o At Duty Cycle 50%: 25.30 CFM
o At Duty Cycle 100%: 45.56 CFM

• Rated Static Pressure:

o At Duty Cycle 0~20%: 0.185mm-H
o At Duty Cycle 50%: 1.156mm-H
o At Duty Cycle 100%: 3.746mm-H

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• Rated Acoustical Noise:

o At Duty Cycle 0~20%: 13.14 dBA
o At Duty Cycle 50%: 33.04 dBA
o At Duty Cycle 100%: 45.8 dBA

• Lead Wire Pin Out:

o Pin#1-Black(-)
o Pin#2- Yellow(+)
o Pin#3- Green(Tachometer/ Signal Output)
o Pin#4- Blue (PWM)

Performance Chart, K555 Thermal Resistance & Noise VS. Cooling Fan Speed

Ther mal Resi stan ce (°c / w )

0.3

0.28

0.26

0.24

0.287

0.267

0.245

4500 4000 3500 3000

Fan S pe ed (RPM)

0.302

45

40

35

30

R-th
Noise

Noi se L evel (dBA)

9/11/2009 Lang

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