Inter-Tech R27 User Manual

NEW PRODUCT SPEC SHEET

Model Number: R27

• Recommend for Intel® Xeon® E5-2600 and 4600 Series, Socket LGA2011

• For Narrow ILM Only

• Active Cooler by Side-Blowing Cooling for 3U Server and Workstation

Overall Specification:

• Dimension: 112 x 82 x 110mm

• Weight: 550g±5g

• 8038 Side-Blow Fan with PWM Function

• Material: Aluminum Stacked Fin with Heat Pipes directly contact CPU

• Convenient Heat Sink Captive Mounting

• Thermal Grease Shin-Etsu G751 Pre-printed

• Support CPU Power up to 160Watts Heat Dissipation

Fan Specification:

• Model Number: DF128038BL - PWMG

• Dimension: 80 x 80 x 38 mm

• Bearing Type : Ball, Double

• Rated Voltage: 12V

• Rated Speed:

o At Duty Cycle 0~20% : 1000±10% RPM
o At Duty Cycle 50% : 2000±10% RPM
o At Duty Cycle 100% : 3800 RPM Min.

• Rated Input Power:

o At Duty Cycle 0~20% : 2.2 W
o At Duty Cycle 50% : 3.6 W
o At Duty Cycle 100% : 7.9 W

• Rated Airflow:

o At Duty Cycle 0~20% : 13.8 CFM
o At Duty Cycle 50% : 30.78 CFM
o At Duty Cycle 100% : 65.4 CFM

• Rated Static Pressure:

o At Duty Cycle 0~20% : 0.420 mm-H
o At Duty Cycle 50% : 2.450 mm-H
o At Duty Cycle 100% : 9.750 mm-H

• Rated Acoustical Noise:

o At Duty Cycle 0~20% : 16.0 dBA
o At Duty Cycle 50% : 31.5 dBA
o At Duty Cycle 100% : 43.4 dBA

• Lead Wire Pin Out Diagram :

O

2

O

2

O

2

Pin#1- Ground (-)
Pin#2- Power (+)
Pin#3- Signal (Tachometer Output)
Pin#4- PWM Control

Active Cooler R27 Cooling Performance VS. Fan Speed & Noise:

0.34

0.31

0.28

0.25

0.22

Ther m a l Resistance (°c/w )

0.19

0.16
0 1000 2000 2500 3000 3500 4000 4500

0.350

18.24

0.275
39

0.230

31.5

Fan Speed

0.195

(RPM)

43.2

0.174

46.5

0.164

48.4

52

47

42

37

32

27

22

17

Rth
Noise

Noise Level (dBA)

2