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Reviews - Featured Reviews: Power
Written by Olin Coles   
Tuesday, 18 December 2007
Table of Contents: Page Index
Hiper HPU-4M880 & HPU-4M630 Type M PSU's
Type M Features and Specifications
Closer Look: Exterior Design
Closer Look: Cables and Wiring
Testing Voltage Ripple and Regulation
HPU-4M630 Test Results
HPU-4M880 Test Results
Final Thoughts and Conclusion

Final Thoughts

When Intel Corporation drafted the ATX12V Power Supply Design Guide v2.2 back in March of 2005, they probably didn't expect fuel and utility prices to grow over 300%. Take into account the growing power consumption needs of modern consumer electronics and personal computers, and the need for highly-efficient components becomes critical. This is why 80 PLUS seems to be the buzz word of choice for most power supply manufacturers.

The ATX12V Design Guide v2.2 states in section 1.2.2 that power supplies must measure a minimum 70% efficiency under typical load, with 80% efficiency as the recommended guidance. As it stands now, all High Performance Group power supplies have followed the ATX12V 2.2. specification guidance for quite some time now, and with an 85% efficiency (as tested by Chroma) the new Type M series is ultra-efficient.Hiper HPU-4M880 & HPU-4M630 Type M Power Supply Unit Review

Hiper Type M Conclusion

In addition to power efficiency, Hiper packages their Type M series in a truly green approach: recycled post-consumer cardboard. The retail packaging contains plenty of important product features and specifications, while helping to preserve resources.

The Hiper HPU-4M630 and HPU-4M880 Type M Power Supply Units offer a unique open-grill style chassis. A semi-gloss black painted finish helps hide fingerprints and maintains an elegant and appealing overall appearance.

Power supply units are one of the few computer components which historically have been built solid. Hiper has kept with tradition and offers a rugged product within the Type M, something only a non-modular product could assure.

Both the HPU-4M630 630W and HPU-4M880 880W PSU's measured some average AC ripple and DC voltage regulation readings. While there aren't any major items on my list of recommended improvements, I would still like to see some refinement in the performance category as the AC ripple and DC voltage regulation are not what I consider to be a fine example of power supply technology as we approach 2008. Otherwise, this unit survives my inspection with no real flaws to be found.

At the moment, both the Hiper HPU-4M630 and HPU-4M880 880W Type M Power Supply Units are just arriving to market. Presently, the HPU-4M630 is available for $99.50, which is exactly average of the price range for 630W PSU's. The Hiper HPU-4M880 Type M PSU currently sells for $189.99 at, which also places it at the center of pricing for 880W power supplies.

Hiper offers a little of everything with the Type M series. In most cases, when I review a power supply unit there are are only a few key factors for me to consider. First and foremost is performance, followed by functionality, appearance, and then value. Hiper has always managed to come out ahead regardless of the product; sometimes the performance is exceptional and the looks are average, and other times appearance and functionality are phenomenal (such as in the Hiper HPU-4K530-MS Type R PSU) and the performance is average. In regards to the Type M series, I have found both the Hiper HPU-4M630 and HPU-4M880 880W PSU's to offer performance, functionality, appearance, and value all at a notch just above average. Perhaps I'm a bit critical, but then again I see more power supplies for review than almost every other website out there and Hiper has always left me impressed with in at least one particular category. It seems that the Type M series is made for the every-man; and not one particular group.


+ 85% Power efficiency
+ Four 12V+ power rails
+ Variable length cable groups
+ Convenient Molex pass-through connectors
+ Plenty of native connections
+ High-quality construction
+ Great component cooling
+ Attractive black finish


- Below average (but within spec) AC ripple (HPU-4M630)
- No rubber safety caps for unused connections


• Presentation: 8.50
• Appearance: 8.50
• Construction: 9.0
• Functionality: 8.75
• Value: 8.25

Final Score: 8.6 out of 10.

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# RE: Hiper HPU-4M880 & HPU-4M630 Type M PSU'sLaszlo 2010-12-22 00:11
"these two programs have proven to create more power draw than anything else available"

That's maybe the truth, but OCCT in GPU Linpack mode worth a try! My PSU had no problem with OCd CPU & GPU running (MSI) Kombustor + OCCT CPU Linpack or Prime, but when I ran _only_ the GPU Linpack with OCCT then my PSU was shutted down right after the 1 min monitoring (2/2 times).

( Merry X-Mas Colin! )
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