Reviews - Antec True Power II 550W
Sample Provided by: Antec (By jonny on Fri, Jul-07-2006)

Page 1 -

     Today I've got an Antec True Power 2.0 550W power supply on the load tester. The Antec True Power 2.0 550W is a sweet spot power supply in that it provides plenty of power, is SLI and Crossfire certified, yet comes in well under $100. Pretty much the only trade off is it's appearance. Nobody said this PSU was pretty, but if you don't have a window on your case, who cares? Right?

     Aesthetically, we're looking at a gray box with a 120MM fan and a big gold-colored wire grill. The wires are not sleeved, save the main ATX cable. The cables are very adequate in length too.

     The True Power 2.0 features a 20+4 main ATX connector and a 4-pin 2x2 12V connector, so it's ATX12V compliant in that sense. It also has a pair of PCI-e connectors standard, which makes in SLI or Crossfire ready. But there's no EPS+12V or 6-pin AUX, so server or multi-CPU use is probably not what Antec had in mind when they produced this power supply. Five 4-pin Molexes may not seem like many, but Antec also provides a pair of thermostatically controlled Molexes for your case fans.

Type of connector: True Power 550W
ATX connector 20+4
2 x 2 12V connectors 1
2 x 3 PCIe 2
8-pin Xeon/EPS connector 0
6-pin Xeon/AUX connector 0
5.25" Drive connectors 5
3.5" Drive connectors 2
SATA Drive power connectors 4
Fan only connectors (thermostatically controlled 12V only) 2

     The label for the Antec True Power 2.0 550W is somewhat incomplete. There's no rating for the combined 3.3V and 5V rails. But since the +12V are the really important rails, it really doesn't matter too much. I figured 200W because of the 5V rail being 40A.

Antec True Power 2.0 550W +3.3V +5V +12V1 +12V2 -12V +5VSB
32A 40A 19A 19A 1.0A 2.0A
Maximum Combined Output 200W? 420W 12W 10W
530W 20W
550W

     So we don't know what the maximum combined wattage is for the 3.3V and 5V combined, but we know that if the 12V rails are maxed out, we can't have any more than 110W on the 3.3V and 5V combined. So I threw an extra test in the mix. I have the 3.3V and 5V high while bringing the 12V as high as possible without going over the maximum suggested. I then bring the 3.3V and 5V down a little bit so I can crank the 12V up the rest of the way.

 

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