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Antec Neo HE 500 PSU Review
Written by Maxit   
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Antec Neo HE 500 PSU Review
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In The Labs


Performance is one of the most important factors when it comes to choosing a power supply. The Antec unit didn't disappoint. The PSU performed very well and proved reliable under real world tests even under the heaviest of loads. The 12v rails stayed solid and about 12 volts throughtout a 24 hours soak test - Prime95, photoshop, F.E.A.R and benchmarking.

The unit efficiency is actually greater than the ATX recommendation of 80% under load and the average efficieny is some where between 80 and 85%. This PSU is one of the greenest in its class. The output voltages are solid and stable. Universal Input with Active PFC is another great feature that attributes to the performance of the Neo HE 500.

The fan in this unit needs a special mention. The 80mm fan is controlled by the internal equipment and even under heavy load, the sound of the fan is inaudible - at least to our scientific equipment consisting of a pair of ears pushed up to the unit.

So what kind of a system could this unit power. Well, according to the extreme wattage calculator a mega beastie one and still have 50 watts in reserve!

  • System Type: Intel Core 2 Extreme X6800 2930 MHz Conroe CPU
  • Utilization (TDP): 85% TDP
  • RAM: 2 Sticks DDR2 SDRAM
  • Video Card: NVIDIA GeForce 8800 GTX
  • Video Type: Single Card
  • 1 IDE HDD 7200 rpm:
  • 1 HDD 10,000 rpm:
  • 1 DVD-RW/DVD+RW Drive
  • 1 Drive Floppy Drive
  • 1 Sound Blaster - All Models
  • PCI IDE Controller Card
  • USB: 4 Devices 2x IEEE-1394 FireWire:
  • 1 Device Fan Controller
  • Front Bay Card Reader
  • Fans Regular: 2 Fans 80mm; 4 Fans 120mm
  • Motherboard, keyboard and mouse
  • PSU Utilization: 100 %
  • Total: 456 Watts

The Bottom Line


Without doubt, this is a cracking power supply and perhaps the best you can buy in the 500-600W segment. It has enough power to run the top processors and graphics cards including the new 8800GTX card from NVIDIA. With SLI support, great efficiency and very quiet operation, it's hard to find fault with the Neo HE. The modular cables are a welcome addition, allowing easy cable management and clutter free wiring.

The price is good, especially considering the 5 year warranty Antec throw in, and the stabilty impressive even in extreme systems. It's super efficient and might even save you a few bucks every  month on your power bill! If you aren't planning on running a couple of 8800GTX cards in SLI configuration, this power supply should be top of your shopping list.

overall-score-9
editors-choice-bronze
Pros

  • Very Quiet Operation
  • Excellent Stability
  • Modular Cables
  • Efficient power use
  • Top 5 year warranty
  • Three +12V output circuits

Cons

  • Not enough power for 8800 SLI systems

Special thanks to Antec and their PR company for sending in the unit for evaluation. You can find out lots more about their latest products by visiting their website at http://www.antec.com
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