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Topower PowerBird 1100 Watt Special Edition Power Supply

By: David Walker | Other PSUs in Cases, Cooling & PSU | Posted: Mar 3, 2009 5:00 am
TweakTown Rating: 94%Manufacturer: Topower

Cabling Arrangement

 

Topower PowerBird 1100 Watt Power Supply

 

All of the cables are of good length, nicely sleeved and provide flexible connectivity. The 8-pin and 6-pin PCI-E runs will help power the very latest graphics cards. There are two ATX CPU connectors with one the flexible 4+4 variant and the other the standard 8-pin that are also EPS compliant.

 

Now, considering this unit claims to run two, three or four graphic cards, there are only four PCI-E power runs. While I can see that quad would be supported with only four connections on two dual GPU graphics cards, like the GTX 295, there would be no direct support for three GTX 260 or GTX 280/285 graphic cards with the included cables. This represents a bit of an artificial limitation considering the capacity of the power supply.

 

Topower PowerBird 1100 Watt Power Supply

(Click the above image for the large version)

 

The 20+4 main connector can be seen here. It is nicely sleeved almost all the way to the end of the run. The two CPU runs, each on 12V2, include both an 8-pin and 4+4 pin version. This will allow the use of a dual CPU motherboard. My only concern is that while it is dual CPU capable, there would only be 20 amps available for both processors combined. That should not pose an issue, however, for almost any modern processor. A Q9650 at 4.0 GHz, for example, only draws 8.8 amps. Still, it is something to note for anyone considering this power supply for a multi-processor system.

 

Topower PowerBird 1100 Watt Power Supply

(Click the above image for the large version)

 

Here are the four PCI-E power runs mentioned earlier. Included are two 6+2 pin and two 6-pin cables with each pair on a dedicated 12V rail (12V5 and 12V6). That means that each video run can supply up to 20 amps for an individual card. Considering a GTX 280 uses about 15 amps, this should be more than enough to power a single GPU graphics card. Now, if we look at plugging in a GTX295, some concerns become apparent since this card may use more than 20 amps of 12V power supplied by the single rail.

 

Topower PowerBird 1100 Watt Power Supply

(Click the above image for the large version)

 

And finally, we take a look at the standard molex and SATA cabling. These are also of generous length and will offer flexibility in almost any sized system case enclosure. There are up to four of these cables permitted on the PSU. Personally, I would have rather seen another pair of PCI-E cables used instead to support a third video card. In spite of this limitation, we will be testing the use of three video cards on the power supply.

 

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