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nPowerTek NPH-1366-115HC Heatsink Review
nPowerTek NPH-1366-115HC Heatsink Review
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Abstract: At the center of the NPH-1366-115HC heatsink is nPowertek's proprietory copper heat column - essentially a 33mm diameter copper heatpipe. The inner walls and base of the heat column are covered by a sintered metal wick and the contents under vacuum with a small amount of working fluid.

 Manufacturer  Category  Published  Author 
nPowertek   Cooling / Heatsinks   Feb 03, 2014   Max Page  

Home > Reviews > Page: 360° View - nPowertek NPH-1366-115HC Heatsink

360° View - nPowertek NPH-1366-115HC Heatsink


Information on Frostytech's test methodology is available here.

The 92mm diameter PWM fan spins its 3000-15000RPM and draws power from a standard 4-pin PWM motherboard fan header. The 33mm diameter copper heat column at the center of the heatsink body extends all the way to the base. Each aluminum fin is 0.4mm thick and spaced 2.0mm apart.

The LGA1366 nPowertek NPH-1366-115HC heatsink stands 115mm tall. The aluminum fin stack makes up 88mm of that height.

The copper base of the nPowertek NPH-1366-115HC heatsink is 37mm in diameter where it makes contact with the processor and 6mm thick.

Base Finish and Flatness

Flipping a heatsink over to inspect the business end is often a simple indicator of overall cooler quality. More practically speaking, a heatsink is in many ways only as effective as the contact it makes with the processor - the flatter and smoother the better. Base finish is one of the criteria that Frostytech measure in the course of evaluating heatsinks, and it involves two distinct aspects. Surface Finish is the first; this is calculated with the aid of Surface Roughness Comparator that has a cross section of common machine surface finishes and their numerical surface roughness equivalents in microinches. The second is Surface Flatness. This is tested with an engineer's straight edge or proven flat surface, in two axes.

The copper base of the nPowerTek NPH-1366-115HC heatsink has a smooth machined finish which is very slightly concave. Surface roughness is at or better than ~16 microinches.

Next up, let's see how this heatsink handles the heat compared to a selection of other heatsinks!

 Previous Page ° ° Next Page 

Table of Contents:

 1:  nPowerTek NPH-1366-115HC Heatsink Review
 2: — 360° View - nPowertek NPH-1366-115HC Heatsink
 3:  Acoustic Sample and Heatsink Sound Levels
 4:  Intel LGA2011/1366 Heatsink Temperature Comparisons

List all nPowertek heat sinks that Frostytech tested?

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