Origin
many motherboards now have their own heatpipe cooling system designed by the motherboard manufacturers. But during our research test, we found out that the northbridge chipset can run especially hot and when you increase voltage, the temperature increased many times over. The heatpipe cooling system just does not have enough surface area to cool those hot devices equally AND sufficiently.
Many end-users also have written to us in regards to the above issue. They got tired of gimmicks and low grade thermal solutions. What they needed was something real, something that actually cools the MOSFET, and so we went to work and developed a new product called HR-09 (from High-Riser series) MOSFET cooler.
The HR-09 MOSFET cooler with its patented design will expand your system life expectancy and creates a stable condition not only during normal operation but also when you increase the frequency and voltage to overclock. Now heat is no more an issue.
Product Description
The Thermalright HR-09 Mosfet Cooler uses a highly efficient heatpipe to cool your motherboard's Mosfet totally passively. Easy to install, no tools necessary, the HR-09 comes in two styles, the Upright and the Slant type.
Features:
Patent pending adjustable length design
6mm highly effective heatpipe
Proprietary through holes on fins for efficient ventilation
No tool for easy installation
Provides two types of heatsink: Upright and Slant Type
| Specifications: |
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| Dimension: |
L58 x W17 x H48
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| Weight: |
90g (heatsink only) |
Performance Test

If your motherboard is by ASUS and its single MOSFET is near the I/O port, HR-09U would be the ideal version to install since HR-09S would more than likely get interfered by the surrounding components. But if your motherboard is of Gigabyte, You can purchase two HR-09S, or one HR-09S and one HR-09U depending on the size of your CPU heatsink. More FAQ..
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