Xigmatek NRP-HC1001 and NRP-HC1201 Power Supplies
by Christoph Katzer on April 13, 2008 12:00 PM EST- Posted in
- Cases/Cooling/PSUs
Internals
Opening this unit reveals an inside layout we haven’t seen before. There are actually two power supplies in this one unit so to speak. To make it a little clearer we marked the different parts of the power supply.
On the top we have the well built filtering stage. It’s easy to recognize CWT power supplies by their filtering stage, which is well equipped as always. This unit then splits into two different primary sides as shown above. Both primaries are fully equipped as is standard in modern switching power supplies. Both sides have their own transformers which are easily recognizable through their green covering.
Following that we come to the secondary parts for both sides. There are solid capacitors installed on a smaller sister PCB because the space on the PCB was just not enough, though there are still some normal electrolyte capacitors close to the cable management PCB. What happens here in fact is that one half of the PSU provides the 12V1 and 12V4 and the 3.3V rail and the other half distributes 12V2 and 12V3 together with the 5V rail. That’s why the diagram shows such unusual characteristics.
The filtering stage was separated in two due to the lack of space. There are caps on the small PCB upside down and caps and coils on the main PCB. Each side has a main capacitor made by Hitachi and rated at 390µF and 400V. The secondary side features all solid caps on a small sister PCB vertically positioned relative to the main PCB. There are also smaller electrolyte capacitors behind the heatsinks as well. The backside shows the PCB for the cable management. There are clear markings with the different rails on the top of the PCB.
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mttcrlsn - Wednesday, April 16, 2008 - link
When will people wise up that probably 90% do not need anything more than a good, correctly rated PSU. Even when I was doing SLI on an 8800GTS system I maxed out at about 500W. Processors were once space heaters and power hogs but that has done a 180 turn as people wanted computers to be better. Soon GPUs will be doing the same, storage is already getting more power efficient and memory is as well. This idea of marketing of uber high power supplies is going to end soon and may already be ending as the cost of energy heads to the sky. So as some companies continue to beat the dead horse others are now marketing power efficiency and quietness - who wants to work next to a 747 pushing out heat in their office?royalcrown - Sunday, April 20, 2008 - link
Amen to that ! As a side mote...it is good to see GPUs FINALLY getting off of the 90nm mode ! They also need to put the crap on the top side as hot air rises...duh, why do they keep putting the hot side towards the FLOOR ?!michal1980 - Monday, April 14, 2008 - link
lets save you are on a 15 amp circuit.if you have perfect 120v power= 15ax120v = 1800wats. at 85% efficeny = 1530 watt power supply
it its 110 volts = 15x110 = 1650watts = 1402 watt power supply.
dont plug your monitor/speakers/ lights on that cirucit or your going to start blowing fuses.
royalcrown - Sunday, April 20, 2008 - link
it's not a wise idea to plug something in with 2 cords as you have risks if each cord is on a separate circuit, you risk having a voltage potential (greater charge on 1 side of the circuit) and that CAN be unsafe...strikeback03 - Tuesday, April 15, 2008 - link
I'll check when I get home, but I don't think anything in our house is less than a 20A breaker. And a 20A breaker won't typically trip till somewhere over 30A is drawn through it, so you still have some margin for more ridiculous power supplies.mttcrlsn - Wednesday, April 16, 2008 - link
Typical home wiring is 14 gauge with a 15amp max - NO EXCEPTIONS. In order for one to use a 20amp then the wire must be 12 gauge. This is the per the NEC. If it is a 120V 20A receptacle, one side will have a slot, the other will have a "T". As for getting 30A on a 20A breaker - I would get rid of that breaker as it is not rated correctly / is defective.HOOfan 1 - Monday, April 14, 2008 - link
Like this one?http://www.newegg.com/Product/Product.aspx?Item=N8...">http://www.newegg.com/Product/Product.aspx?Item=N8...
nubie - Monday, April 14, 2008 - link
Well, I was wondering something similar, and that is why don't we run dedicated 220v to the PC in our houses here in the US?Even if we don't use all of the power, all of our devices will be running more efficiently. If you have a direct line to your PC already you can change the outlet and add a circuit breaker (that connects to the other bus-bar) for making 220v.
In reality, notice what they already said, they are running a clocked quad with lots of hard drives and tri-sli 8800 Ultra on a PC Power 860.
I agree with them, you can't load it more than 500w (idle?), even with an extreme system like that. You are really just spinning up all those hard drives and charging all those caps when you start the PC (SATA with delayed spin-up?).
I am still using my PC Power Silencer 470, and wondering why it isn't rated for SLi, clearly it can do it, and probably overclocked with a couple hard drives. If you take a second look at those PC-Power ads, they are telling the truth. Their components are industrial grade, and rated for high load + high temps. I don't mean to say that their competitors can't handle a load, but my Silencer has never ramped up, I never even hear it over my hard drive, and this is a pretty nice one from a Tivo2.
B3an - Monday, April 14, 2008 - link
Dont know if it was mentioned in the article because i hardly read any, but from the pics, these PSU's look exactly like the Thermaltake ToughPower PSU's. I have a 1200w ToughPower and as far as i can see there is no difference between them.So WTF is going on? Same PSU but rebadged?
C'DaleRider - Monday, April 14, 2008 - link
Both the Thermaltake ToughPower supply you have and the Xigmatek in this review are both rebadged CWT builds, which is why yours and this one look alike. Tt and Xigmatek are the rebadgers, CWT is the maker. It's just like Seasonic is the manufacturer of numerous other branded power supplies like Corsair's HX line and PC Power and Cooling's Silencer line. Open up a Seasonic, Corsair HX, and a PCP&C Silencer and you'll find, outside fan arrangement and heatsink choices for the fan arrangements, almost mirror image power supplies.