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Antec TruePower II 480w Power Supply Review
Antec TruePower II 480w Power Supply Review Published by Regeneration on October 9th, 2005

As most of you already know, today's latest hardware tends to require very reliable power sources for it to operate properly. Some video cards require as much as 200w at full load. If you are one of us dreaming of going towards an SLI or Crossfire setup, then you will have to shop carefully and make sure that you acquire a very powerful high end power supply. Most people are familiar with Antec for their high quality power supplies and cases. They have earned a high level of respect among us by continuing to offer quality product lineups. Another thing I like about Antec is their support for the hardware enthusiasts. They are always making their most recent lineups available for reviews, and are not afraid to encourage reviews because they don't have anything to hide. They recently released a new product line, the TruePower II series.

In the past years many people used a lot of unknown power supplies. The reason behind this was, that nobody required high amounts of power for the hardware we had available. As I already mentioned, the hardware today requires a lot of power and using some cheap power supply may cause a lot of issues. You can see recommendations about Antec almost in every respected forum. Power Supply's are one of the most important components in your system and you shouldn't compromise it.

Today we're having the chance to abuse the new TruePower II power supply unit. This power supply supports SLI and the latest ATX12V 2.01 with a detachable 4-pin for compatibility. The Antec TruePower II series is available from 380w to 550w which should be enough for the latest technology requirements. They also included two PCI-e power cables for the SLI fans. Today we will examine the TruePower II 480 and test it to its full extent.

As said before, most of us know Antec but for those of you who haven't heard about Antec yet here's some information: Antec was founded back at 1986 back in Fremont, California. Antec offers high quality computer cases, power supplies, cooling fans, lighting components and much more cool stuff.
Today Antec is still located at California but they also have some offices in Europe as well. You may find Antec products in every respected shop due the big amount of distributors they have at their disposal.

* Single 120mm low noise fan
* Dual 12V outputs, for stability and safety
* True Spec noise level of 21.3 dBA measured at an independent lab using ISO 7779 standard
* ATX12V 2.01 compliant. 24-pin main power connector with detachable 4-pin section for universal motherboard compatibility
* 4 Serial ATA connectors
* Two PCI Express graphic card power connectors
* Dedicated output for more stability and less ripple noise
* Feedback circuits for tighter load regulation (3%) to maintain accurate voltage to all components
* Industrial-grade protection circuitry prevents damage resulting from short circuits, power overloads, * excessive current, excessive voltage, excessive temperatures
* Fan only power connectors allow True Power to control case fan speeds, reducing total system noise
* MTBF: 80,000 hours
* Safety approval: CB, CE, DEMKO, FCC Class B, FIMKO, EMKO, UL, VDE, TUV
* Active Power Factor Correction (PFC)
* Power Factor value greater than 90%
* Gold plated connectors for superior conductivity

Maximum Power: 480 Watts
Switches: ATX Logic on-off, additional power rocker switch, 115/230 Volt selector switch
Special Connectors: ATX12V, 3-pin Fan Sensor, Fan Only, SATA
Transient Response: +5V, +12V and 3.3V outputs return to within 3% in less than 1ms for 20% load change.
P. G. Signal: 100-500ms
Over Voltage Protection recycle AC to reset: +5V trip point < +6.5V, +3.3V trip point < +4.1V, +12V trip point < +14.4V
Leakage Current: < 3.5mA @ 115VAC
Unit Size: 15cm(L) x 14 cm(W) x 8.6 cm(H)
Net Weight: 2.3kg
Input Voltage: 115 VAC / 230VAC
Input Frequency Range: 47Hz to 63Hz
Input Surge Current: < 60A @ 115VAC
Input Current: 12.0A for 115VAC, 6 .0A for 230VAC
Hold-up Time: > 17ms at Full Load
Efficiency: > 70%
EMI/RFI: FCC Class B, CISPR22 Class
Operating Temp: 0 to 50c
Operating Alt: Sea Level 10,000 ft.
Non-Operating Vibration:
* Operating: 10-300 Hz, 0.5G, 3 axes, 1 hr. ea. axis
* Non-operating: 10-300 Hz, 2.0G, 3 axes, 1 hr. ea. axis
MTBF: 80,000 hrs.
Approvals: UL, CUL, FCC Class B, CB

+3.3v +5v +12v1 +12v2 +5v SB -12v
Max. Load 30.0A* 38A* 18A* 18A 2.0A 1.0A
Min. Load 0.5A 0.5 0.4A 0.4A 0A 0A
Load Reg. ? ? ? 3% ? ?
Ripple V(p-p) 50mV 50mV 120mV 120mV 50mV 120mV
*+5V, +3.3V, +12V1, 12V2 maximum output 460 Watts

The package:

- Antec TruePower II 480w Unit
- User manual
- Power cable
- Four screws

The user manual is very informative and includes six languages. After I ripped off the entire package and set the cables free I noticed a 3 pin cable that serves as a temperature monitor. You can plug it on the motherboard and monitor the fan speeds with your favorite software monitor. I also noticed two molex connectors with a "Fan only" label. This Power supply is able to control the case fan speeds in order to reduce the noise. However Antec is recommending the use of three fan devices per each molex connector. Indeed a very handy feature, too bad I'm such a cooling freak and I have four 80mm intake fans and two 80mm exhaust fans. I'm planning on replacing it with some 120mm fans.

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