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Technical Specifications And Design

Three Thermalright True Spirit Heat Sinks, Reviewed
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Thermalright True Spirit 140(BW)True Spirit 120M(BW) True Spirit 90M 
Cooler Dimensions (HxWxD)170x155x53 mm (Without Fan)145x132x60 mm (Without Fan)125x102x56 mm (Without Fan)
(Note Offset Attachment of Base Plate and Fins)(Note Offset Attachment of Base Plate and Fins)
170x155x80 mm (With Fan and Decoupling)145x132x78 mm (With Fan and Decoupling)125102x75 mm (With Fan and Decoupling)
Weight614/786 g (Without/With Included Fan)464/614 g (Without/With Included Fan)284/388 g (Without/With Included Fan)
MaterialAluminum, CopperAluminum, CopperAluminum, Copper
CPU Contact Surface
High-gloss Polished Base Plate
High-gloss Polished Base Plate
High-gloss Polished Base Plate
Number of Heatpipes6x6 mm4x6 mm3x6 mm
Fins
504843
FanThermalright TR-TY147Thermalright TR-12025-BWThermalright TR-9225-BW
140x140x25 mm120x120x25 mm92x92x25 mm
900-1300 RPM600-1300 RPM600-2000 RPM
4-Pin PWM4-Pin PWM4-Pin PWM
Cable Length
Approx. 310 mmApprox. 310 mmApprox. 310 mm
Interface Compatibility
Intel
775
1156
1366
1155
2011

AMD
AM2(+)
AM3(+)
FM1
FM2
Intel
775
1156
1366
1155
2011

AMD
AM2(+)
AM3(+)
FM1
FM2
Intel
775
1156
1366
1155
2011

AMD
AM2(+)
AM3(+)
FM1
FM2
Warranty2 Years2 Years2 Years
PriceApprox. $50
(Street Price)
Approx. $43
(Street Price)
Approx. $28
(Street Price)

The two larger coolers have fans (the 140 mm TR-TY147 and the 120 mm TR-12025-BW) that are clearly optimized for quiet operation with a maximum RPM of 1300. The 90M comes with a smaller fan, the 92 mm TR-9225-BW, with a higher 2000 RPM ceiling necessitated by its more compact dimensions. All three fans come in a black-and-white color scheme that is standard for Thermalright’s budget lines.

On all three heat sinks, the cooling fins are curved up on one side and down on the other, though they differ in material thickness. The largest heat sink sports the thickest fins. Moreover, the True Spirit models with Ms in their product names (the 120M[BW] and 90M) are bent where they exit the base plate, resulting in an offset toward the back of the cooler.

This is the same design borrowed from Thermaltake's Macho family. Its purpose is to keep the cooler from blocking RAM slots on the motherboard, even with a fan installed. Only the True Spirit 140(BW) does not have bent heat pipes. Consequently, it pushes up against the RAM module in the slot closest to the CPU interface if it has a tall heat spreader. Memory can still be installed, but there's a good chance it'll get pushed aside by the cooler's fan.

True Spirit 90MTrue Spirit 90M

True Spirit 120M(BW)True Spirit 120M(BW)

True Spirit 140(BW)True Spirit 140(BW)

Heat pipes are also arranged differently, depending on cooler. The True Spirit 90 M lines them up straight. They're offset pairs on the 120M(BW). And the 140M(BW) has parallel rows of three.

Thermalright’s two smaller coolers have retaining collars on all four sides to stabilize them and protect them from bent fins. The True Spirit 140(BW)’s fins are already so sturdy that it would take a lot of brute force to mess them up.

The heat pipes run through the base plate of all three heat sinks. Some light residue where they make their exit shows that they are soldered in place. The bottoms of the base plates are polished to a high-gloss finish.

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