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NesteQ ASM Xzero 500w review - Inside the psu
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Tuesday, 21 July 2009 17:35
User Rating: / 15
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Article Index
NesteQ ASM Xzero 500w review
Features and specifications
Packaging
Cables and accessories
Closer look
Inside the psu
In operation
Testing
Conclusion
All Pages

NesteQ ASM Xzero 500w seems quite tidy from the inside, we immediately notice the heatpipe cooling system.

NesteQ ASM Xzero 500w

 

Transient filtering is very good, with an X-capacitor and 2 C-capacitors.It also has 2 ferrite rings and a very sufficient second stage filtering!

NesteQ ASM Xzero 500w

 

The fuse is in a protective material that will protect other components in case it blows.

NesteQ ASM Xzero 500w

 

The main capacitor was wrapped with heat tape, I unwrapped it but I wasn't able to find the manufacturer. So I contacted NesteQ and the capacitor is made by Nippon Chemicon and is rated at 105 degrees, a high quality capacitor!

NesteQ ASM Xzero 500w

 

Secondary capacitors are made by Teapo and rated at 105 degrees, high quality and reliable caps.

NesteQ ASM Xzero 500w

 

The cables restrict the airflow towards them and they might get pretty hot but NesteQ predicted this and used 105 degrees rated caps instead of 85 that most psus have at this wattage.

NesteQ ASM Xzero 500w

 

Here we can see the heatpipe aluminium fins

NesteQ ASM Xzero 500w

 

Everything is held securely into place with screws and glue to avoid any vibrations.

NesteQ ASM Xzero 500w

 

The heatpipes start from the mosfets and go to the fins. We can notice that thermal paste is used to achieve better thermal conductivity.

NesteQ ASM Xzero 500w

 

Internal build quality is good, but some things are simply glued wherever they would fit like this X-capacitor,I think a better topology would improve the reliability of the psu.But the heatpipe cooling system restricts things a lot so we cannot expect perfect topology in a so restricted space.

NesteQ ASM Xzero 500w

 

Here we can see the thermal sensors attached to the heatsink.

NesteQ ASM Xzero 500w

 

In this PCB we can see the fan control system that is used to adjust the fan speed.

NesteQ ASM Xzero 500w

 

Fan is made by ADDA which is known for the high quality fans. 

NesteQ ASM Xzero 500w

 

Let's see how the ASM control panel works!



Last Updated on Friday, 28 August 2009 14:12
 

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