HEC AcePower ACE580UB: Failure At High Load

07:00 - Monday 11 July 2005 by Frank Völkel
Source: Tom's Hardware – Keywords: stress, test

Table of content:
18 – HEC AcePower ACE580UB: Failure...
  1. 1 – Profits Or Quality?
  2. 2 – Still An Eldorado? 600 Percent Profit Margin Possible
  3. 3 – Our Motivation - Why Are We Running PSUs Constantly Under Full Load?
  4. 4 – Test Methodology
  5. 5 – Stressing With Highly Accurate Electronic Loads
  6. 6 – Noise Level And Measurement Of Temperatures
  7. 7 – Data Collection And Live Upload
  8. 8 – AcBel ATX-550CA -AB8FM: Failure - But 10-Year Warranty
  9. 9 – Antec Phantom 500: Quiet With High Efficiency
  10. 10 – Antec True Power 2.0: Mediocre Efficiency
  11. 11 – Aopen Prima Power 700: Super Results - No SLI
  12. 12 – BeQuiet BQT B5-520W-S1.3: Loose Transistor Triggers Failure
  13. 13 – Cooler Master Real Power RS-550-ACLY: Shutdown At Full Load
  14. 14 – Enermax Coolergiant EG485AX-VHB(W): Flawed Former Champ
  15. 15 – Enermax Noisetaker EG701AX-VE(W): Perfect Connections And Quiet
  16. 16 – Epower Silent Engine Xscale 470: Loud At Full Load
  17. 17 – Fortron FSP300-60GNF: Soundless With High Efficiency
  18. 18 – HEC AcePower ACE580UB: Failure At High Load
  19. 19 – Hiper Type R580: Not Within Specifications
  20. 20 – Jeantech Arctic JN120F-600AP12V2: Average Results
  21. 21 – OCZ PowerStream 600W - Features
  22. 22 – PC Power & Cooling Turbo-Cool 510: Very Loud At Full Load
  23. 23 – PC Power & Cooling Turbo-Cool 850 SSI: Excellent Price And Performance
  24. 24 – Seasonic S12 600: Efficient And Quiet
  25. 25 – Silverstone ST65ZF: Loud And Inefficient But Low-Cost
  26. 26 – Spire SP-500W: High Noise Levels At Full Load
  27. 27 – Features Tables
  28. 28 – Efficiency
  29. 29 – Load - Total Power Sustained
  30. 30 – Ripple On 3.3V Rail

HEC AcePower ACE580UB: Failure At High Load

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Also failed the Stress Test: HEC AcePower ACE580UB with a promised 580 watts.

The graphic above shows the power supply connections and their length in centimeters. The tops: the HEC AcePower ACE580UB offers all the connections - enough even for computer buffs.
Features

HEC's two 12-Volt rails caught our eyes as they are not usual for a PSU of this class. An internal voltage regulator supports NVIDIA's SLI mode for their graphics cards. All necessary connectors for this operating mode are therefore available. Interesting for modders are probably the two 80-millimeter fans, which are illuminated blue. HEC promises a quiet operation of their PSU.

HEC's Ace Power offers a maximum of 580 watts.

Not quite up-to-date - a switch for 115V (Northern America) and 230 V (Europe)

The rating plate warns: Select the right voltage manually

Great look - the air grill of HEC's AcePower
Test Results

The day the HEC power supply threw in the towel at 580 watts was a rough one for the entire THG crew. It happened at full load (100 percent) - suggesting that the thermosensor gave the signal to shut off. No reason to panic: After a long wait, the device could be operated again. The manufacturer was immediately informed of all results.

HEC AcePower ACE580UB (580 watts)
Test Phase 1
Test Description Lower Limit Upper Limit Result
Increase load from 20% to 100% of nominal load limit 116 watts 580 watts Passed
Test Phase 2
Test Description Load Result
Steady load at 100% nominal load 580 watts Durchgefallen

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