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SunbeamTech Rheosmart 6 Fan Controller Print E-mail
Written by Reuben Gathright   
Thursday, 04 August 2011
Rated 5 out of 5 Stars 5 out of 5 Stars

SunbeamTech Rheosmart 6 Fan Controller

Performs as Good as it Looks!

Since 1996, I have been looking for a PC fan controller that could survive the demands of multiple cooling fans. Numerous times, the fan controllers I ordered would fail due to ineffective DC circuitry that would simply overheat and fail after just a few hours of use.

The SunbeamTech RheoSmart 6 Fan Controller solves these problems with integrated heatsinks on each of the six fan buses. In addition to these six independently controlled fan busses, a 4 pin PWM cable and header on the RheoSmart 6 instantly expands the single motherboard fan port into a squad of six fans that can tackle almost any temperature problem automatically. Granted nothing can cool a power hungry Intel i7 processor once overclocked, this fan controller can still do a very good job a keeping your entire computer case and only increase fan speed when needed.

Here are some key questions about this SunBeamTech product that this review will answer for you: How effective are four 120MM cooling fans and the RheoSmart 6 at reducing the temperature of 3 NVIDIA GeForce GTX 550Ti Video cards? Why do PWM and manual override features of the PL-RS-6 fan controller result in dramatic cooling capabilities? Do you have to plug in PWM cable to your ASUS KGPE-D16 Dual AMD G34 motherboard? Read On To Find Out!

 

SHIPPING AND BOX CONTENTS

The SunbeamTech Rheosmart 6 Fan Controller comes in an attractively printed box. Once opened, you will find a reclosable, white, card board box that is strong enough to survive almost anything that the USPS can do to it. Inside the box, the Rheosmart 6 sits upon a soft foam pad with its instruction manual and other accessories organized into compartments.

SunbeamTech Rheosmart 6 Fan Controller
(click image to enlarge)

The fan controller comes ready to run with a wide selection of cables and power adapters to help you make your purchase work as soon as it arrives at your front door.

SunbeamTech Rheosmart 6 Fan Controller
(click image to enlarge)

 

CONSTRUCTION QUALITY AND APPEARANCE

The fan controller is 5.25" wide but only half the depth of standard drives of this size that you may find. The front panel of the SunbeamTech fan controller is made of a custom black meshed grill which has been firmly formed over top of the circuit board underneath. The two side panels are made of aluminum and painted black as well.

SunbeamTech Rheosmart 6 Fan Controller
(click image to enlarge)

The attention to detail is present in every area of this 5.25" 6 channel fan controller from SunBeamTech. The six aluminum heatsinks inside this fan controller are designed to cool down the MOSFET that is dedicated to each fan channel. We were very impressed to find that SunBeamTech even took the time to place heatsink thermal compound between each MOSFET and heatsink. Great work!

SunbeamTech Rheosmart 6 Fan Controller
(click image to enlarge)

 

INSTRUCTION MANUAL

The key to any getting the most value of state of the art electronics is a good instruction manual. The Rheosmart 6 PWM Fan Controller comes with an eight page manual that features full page illustrations which detail all the functions it provides.

On page 4 of the manual, you will find an illustration which shows a SunbeamTech TWISTER 120 CPU cooler being used as part of the PWM wiring diagram. The Intel i7 compatible CPU cooler uses two large cooling fans and the wiring diagram outlines how you can connect these fans to the Rheosmart 6 PWM controller. I liked the idea because the Rheosmart 6 could be an indispensible part of any air cooled computer system. You would be able to dial up the performance as needed and turn it down again when not in use.

SunbeamTech Rheosmart 6 Fan Controller
(click image to enlarge)

 

INSTALLATION

The fan controller will fit inside a standard 5.25" drive bay. The PL-RS-6 has a total of six 3-Pin Fan Connectors on the back to provide power for your accessories. Whether you plug in one 3 pin fan or all six, the controller will operate the same.

Looking at the rear of this fan controller, notice how SunbeamTech placed the power and fan ports in an easy access location at the back.

SunbeamTech Rheosmart 6 Fan Controller
(click image to enlarge)

The side of the six channel fan controller features four bolt holes for secure mounting inside your computer case.

SunbeamTech Rheosmart 6 Fan Controller
(click image to enlarge)

When mounting this fan controller, I strongly suggest placing this in a 5.25" drive bay closest to your mounted cooling fans. SunbeamTech does provide a total of four immediately usable extension cables but they are rather long and can give the inside of your computer case a spaghetti wire appearance if not tied up and pinned down properly.

SunbeamTech Rheosmart 6 Fan Controller
(click image to enlarge)

I picked a location at the bottom of the Cooler Master HAF 932 Advanced case so that the four 120MM Excalibur cooling fan power leads could be accessed quickly.

SunbeamTech Rheosmart 6 Fan Controller
(click image to enlarge)

 

REAL-TIME TEMPERATURE CONTROL OF SIX FANS

As a computer geek, I enjoy switches and knobs on my computer cases. To crank up the speed on your fans, simply turn the knob clock-wise. You can also switch to manual control by depressing the black button under the knob to switch over to manual control. In manual control mode the PWM signal is ignored which allows increased fan output.

SunbeamTech Rheosmart 6 Fan Controller
(click image to enlarge)

 

TESTING WITH FOUR 120MM COOLER MASTER EXCALIBUR FANS

The hardware testing server was getting very hot after adding three NVIDIA GeForce GTX 550 Ti Video Cards. The Cooler Master HAF 932 Advanced side panel had a Cooler Master A23030-07CB-3MN-F1 230MM cooling fan that was not moving enough CFM to handle the job of keeping the three video cards cool. Additionally, a total of 16 Crucial Ballistix Tracer BL3CP25664TN1608 DDR3 PC3-12800 CL8 memory sticks were throwing off much more heat that we ever thought they would and the heat was getting trapped around the ASUS KGPE-D16 motherboard in the case.

SunbeamTech Rheosmart 6 Fan Controller
(click image to enlarge)

In the following tests, I installed four Cooler Master 120MM Excalibur High Velocity (R4-EXBB-20PK-R0) fans that pull over 12VDC 0.45A at full speed to both test the ability of the Rheosmart 6 to handle a high power draw and demonstrate the flexibility that four PWM ports can provide.

SunbeamTech Rheosmart 6 Fan Controller
(click image to enlarge)

For each round of testing, I ran the computer for 24 hours to in a 72 degree Fahrenheit temperature controlled server room. The fans were obviously mounted on the side panel of the computer case for each of these tests.

Testing Round Detail

1) Single Cooler Master A23030-07CB-3MN-F1 230MM cooling fan

2) Four Cooler Master 120MM Excalibur High Velocity (R4-EXBB-20PK-R0) fans set to low

3) Four Cooler Master 120MM Excalibur High Velocity (R4-EXBB-20PK-R0) fans set to high

SunbeamTech Rheosmart 6 Fan Controller
(click image to enlarge)

 

FINAL THOUGHTS

Without the flexibility of the SunbeamTech Rheosmart 6 PWM Fan Controller, I would have never been able to precisely dial in the perfect ratio of sound and cooling capabilities on my computer case. The temperature also dropped on the Samsung HD502HJ and WDC WD1002FAEX SATA Hard drives in the computer system as well. Even though they were not in the direct path of the airflow, the temperature drop in the computer case seems to have helped these hard drives as well. Yes, I approve of this fan controller and recommend it to anyone seeking a way to manage more system or CPU fans than their current motherboard allows.

The design and appearance is as important as the function of the fan controller. The Rheosmart 6 looks fantastic in any black painted computer case with its glowing LED lights and futuristic knobs. You can find this fan controller online for less than $40 at many retailers today which is a bargain compared to the various other controllers I have tested in the past. After several weeks of testing, we could find no apparent problems with this fan controller. We at BayReviews, give this product a 5 star rating for its combination of value, durability and appearance.

Highly Recommended Award

Pros
6 independent 3 pin PWM fan controller ports and reads 4 pin CPU_FAN or SYS_Fan port.
Cons
None that we found!
Bottom Line
The simplified circuitry and robust thermal protections built into the SunBeamTech Rheosmart 6 Fan Controller make for a very high quality product that is unmatched by any other manufacturer, that I have seen, in todays marketplace.

DETAILS AND SPECIFICATIONS :

Manufacturer : SunbeamTech
Website : www.sunbeamtech.com
Part Number : PL-RS-6
Main Function : PWM / Manual Fan Controller
Color : Black
Material : Aluminum and Mesh
DC Input : -12 V (standard 4-pin connector)
DC Output : 0V - 12V DC
Max Output : 30W * 6
3-Pin Fan Connectors : 6
Fan RPM Knobs : 6
Compatibility : 5.25" Drive Bay
Dimensions : 148 (W) x 42 (H) x 82 (D) mm
Description : Smart Way Controlling of all Fans & Airflow. The Rheosmart 6 Fan Controller is designed to make any existing 3-pin fan automatically regularized by the PWM signal from the Motherboard! With six independent channels at a maximum of 30W/channel, a wide selection of fans can be supported. The Rheosmart 6 Fan Controller operates in two different modes; when connected to a PWM-enabled motherboard, you can allow the system to auto-adjust fan speed through the motherboard's temperature sensor. When switched onto manual mode by pressing the small button below each knob, you turn that specific channel into manual control mode.

 


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Last Updated on Thursday, 04 August 2011