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nPowertek NPH-1000 Heatsink Review
nPowertek NPH-1000 Heatsink Review
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Abstract: nPowertek's NPH-1000 heatsink is a predominantly copper heatsink with an aluminum base, four heatpipes and a 95mm fan. The heatsink is compatible with AMD Athlon64 socket 754/939/940 & AM2 sockets, and Intel Core 2 Duo.

 Company link  Category  Published  Author 
npowertek   Cooling / Heatsinks   Jul 04, 2007   Max Page  
Home > Reviews > Page Title: 360° View - nPowertek NPH-1000 heatsink

360° View - nPowertek NPH-1000 Heatsink
Information on Frostytech's test methodology is available here.

The Heatsink Fan:
The 6mm diameter copper heatpipes wrap around half the copper cooling fins on the NPH-1000 heatsink. We would have expected them to extend around a little more... but there you have it. The 95mm fan is held in place with four machine screws to fan mounts soldered directly to the copper fins. It connects to a standard 3-pin motherboard fan header, or via the included fan speed controller if you wish to reduce noise levels.

Heatsink Exposed:
With the fan removed we can get a better look at the nPowertek NPH-1000 heatsink, from the ground up as it were. There are four 6mm diameter copper heatpipes connecting the copper cooling fins to the aluminum base block. The base has been copper plated, but is indeed aluminum. The fins are elevated 44mm above the base to provide clearance for adjacent motherboard components. Note the four fixed mounting points for the 95mm fan to attach to. Each copper fin is about 31.5mm deep by 45.2mm long.

Heatsink Top:
From the front, the 95mm fan spins at 2200RPM to move air through the widely spaced copper cooling fins of the NPH-1000 heatsink. There is no wire grill to protect the fan from errant wires inside the computer case, so keep it tidy!

Heatsink Side A:
The copper fins are 0.3mm thick and spaced on average 1.6mm apart. The four copper heatpipes hold the entire heatsink together with joints that are lightly soldered. Areas which have little or no cool air moving through are left vacant. The space directly behind the fan motor, for example, is void of any copper fins. The copper-plated aluminum base is 6mm thick, and on the opposite side of the copper heatpipes is a thin 1.6mm thick copper sheet. The heat path from the CPU to the heatpipes is very direct.

Heatsink Side B:
The copper fins are grooved to closely fit the outside profile of a 6mm copper heatpipe. The heatpipes do not actually wrap around the entire circumference of the copper fins, which is a bit of an odd choice... There are two heatpipes on the outside diameter of the heatsink and two more along the inner lines of the fins. In both cases the heatpipes only go about halfway around the inside/outside of the heatsink. At the base, all four copper heatpipes are packed side-to-side for optimal heat transfer.

Heatsink Base:
The nPowertek NPH-1000 heatsink has a 6mm thick aluminum based capped off with a think 1.6mm thick copper plate. That plate mates with the processor, and it measures 31x49mm in size. A good size for Intel CPUs, but a little small for AMD processors whose integrated heatspreader is 38mm square. The base is flat in one axis and slight concave in the opposite. The copper has a polished finish with a surface roughness of ~16 microinches. Note the two holes on opposite sides of the base, these are for mounting the different CPU clips.



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Table of Contents:

 1:  nPowertek NPH-1000 Heatsink Review
 2: — 360° View - nPowertek NPH-1000 heatsink
 3:  Acoustic Comparisons and Base Surface Quality
 4:  AMD Heatsink Temperature Comparisons
 5:  Intel 775 Heatsink Temperature Comparisons

List all npowertek heat sinks that Frostytech tested?

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