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Thermaltake Polo 735 3-in-1 Heatsink PDF Print E-mail
Written by Mikhail Ivanenkov   
Sunday, 01 July 2007

Thanks to Thermaltake for the product sample.

It's amazing how much companies change over the years. Looking back at 2000, Thermaltake was virtually unheard-of. Then came along the Golden Orb, a well performing, attractive Socket 370 cooler which was also mistaken for a Socket A cooler. Notoriously known as Tbird core cracker, Thermaltake started off on the wrong foot. It came as no surprise that the subsequent release a of Socket A-friendly Super Orb was met with little success, but somehow the company managed to turn things around, particularly with their Xaser series of cases.

Today Thermaltake is on top of their game. High performance parts featuring some of the best and most attractive designs in the industry are a common sight at Tt. We're here to take a look at just one of their many coolers, the Polo 735. Never mind the naming convention; this is one of Tt's 3-in-1 coolers. As we'll see shortly, not only are there 3 methods of controlling the fan speeds, but this cooler also has the necessary accessories to work with 3 of the most popular processors: AMD K7, AMD K8, and Intel P4 (though not LGA775).



Nowadays it's typical to see extras bundled with a cooler, especially if it's dubbed "extreme". To that end, Thermaltake included a pair of rheostats to control the fan speed externally. One is a silver aluminum 3.5" bay that sticks out the front of your case. If you prefer to control it from the rear (or don't have any empty 3.5" bays), an alternate expansion slot rheostat is provided. Both have the same functionality, but neither is necessary for the heatsink to work. They just give you more control.

Fan speed adjustment using these knobs is a bit misleading. When turned to the far left the fan will run at its lowest setting (around 2000 RPM). Conversely, turned to the far right the fan will run at its highest setting (around 5500 RPM). Here's where it gets tricky: you only have a 90 degree range of actual speed adjustments from the top middle (designated by the area without the red border on the 3.5" rheostat and between the top 3 tick marks on the expansion card rheostat). Left of that range is equivalent to the lowest setting regardless of where the knob is. Likewise, right of that range is equivalent to the highest setting regardless of knob position. While this doesn't affect performance much, it doesn't allow for as much flexibility as should be provided if the rheostats actually functioned in their entirety.

The second method to controlling the fan speed is using the provided thermal probe. One end plugs into a special connector on the fan; the other end should be in contact with any side of your processor core (or its underside). While this is certainly a worry-free option that increases the fan speed as the temperature rises, the correlation between these is preset. At 20C the fan speed will be at its minimum 2000 RPM; by 55C it'll be running at the maximum 5500 RPM. Here's the catch: at full speed the fan is loud. If your CPU normally gets to 55C, you'll have to deal with the noise at high speed, as well as any throttling that happens as a result of constantly rising/falling temperatures.

Personally I prefer the manual rheostat. The final option is to leave the fan disconnected from everything except the power. Without a rheostat or thermal probe attached, it'll run at full blast continuously. Although there's only a slight whine (due to the fan's larger dimensions), it's anything but quiet. Most high-speed Deltas are still louder, though not by much. At the lowest setting it's drowned out by other case fans. At medium speed it adds only a pinch of discernable noise to a typical computer with a couple medium output fans.

Last Updated ( Monday, 09 July 2007 )
 

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