Thermaltake Duorb VGA Cooler: Are Two Orbs Better Than One?

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Thermaltake Duorb VGA Cooler: Two Orbs Are Better Than One

July 17, 2008 by Lawrence Lee

Thermaltake Duorb CL-G0102
VGA Cooler
Market Price

As graphics cards become more and more powerful, cooling them becomes a daunting challenge. In a typical ATX tower system, the graphics porocessing unit (GPU) is in the middle of the case, upside down, with its own printed circuit board (PCB) obstructing a lot of the heat being put off. To complicate matters, GPUs can now easily pull more than 100W and with PCB lengths increasing, sometimes the system airflow can be effectively cut off.

The Duorb by Thermaltake is one of many GPU coolers available to PC enthusiasts who want better than stock cooling. It is a dual fan cooler like the Xigmatek Battle-Axe, but is only equipped with two heatpipes. Its basic design is similar to the Zalman VF900-CU, which was a star in its day. The VF900 is simply too small to effectively cool most current GPUs. A larger radial cooler with a massive fan would seem like an obvious evolutionary step, but you can only make it so big before it touches the expansion slots on the motherboard. Thus, Thermaltake has decided to go horizontal, splitting what would have a been a small, radial copper cooler into two small semi-radial coolers. The result is the Duorb, or two orbs as the name suggests.

Box and interior packaging are fairly compact by Thermaltake's standards.

The Duorb looks the part.

Thermaltake Duorb: Features & Brief (from the product web page)
Features & Brief
Our Comment
Universal Design for nVIDIA & ATi VGA card. Supports all the usual suspects.
Innovative Dual-Orb patented design. Two orbs must be better than one...
All copper structure:copper base & copper fin provide maximum cooling performance. The use of copper increases the weight and cost of the product, but its higher thermal conductivity compared to aluminum may make it a worthy trade-off.
ScurveTM fan blade design and 6-LED lights. The fan blades are twisted slightly in an unusual fashion.
Maximum cooling efficiency for quietness. Thermaltake is last manufacturer we would associate with "quietness."

Thermaltake Duorb: Specifications (from the product web page)
Compatibility nVIDIA 9600GT
nVIDIA 8800 GT/GTS/GTX/Ultra
ATI HD 3870
Dimension (L)180.5 x (W)98.5 x (H)30 mm
Heatsink Material Copper base & Copper Fin
6 mm x 2pcs
Fan Dimension 80 x 15 mm x 2pcs
Rated Voltage 12V
Started Voltage 7 V
Max.Air Flow 23.8 CFM
Max. Air Pressure 2.9 mmH2O
Fan Speed 2500 RPM
Life Expectation 50,000 hrs
Connector 4 pin
Weight 324g

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