Reviews - Hipro HP-D5501EU 550W
Sample Provided by: Census PC (By OklahomaWolf on Fri, May-08-2009)

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Once in a while, I'll encounter something new in my work at this website, and this is one of those times. Today's review sample comes from a company that hasn't been represented here at before by the name of Hipro. Well, if you want to get technical, the name runs back to Chicony Power Technology but for all intents and purposes we'll just say "Hipro."

The name Hipro sounds familiar, you say? Well, it could be because you took the cover off your Dell and found that name on the power supply within. That's right, Hipro isn't just another generic name, it's an OEM supplier for a lot of big name companies out there. Why, even my ancient Compaq Deskpro EN has a Hipro sourced unit inside.

This company is not to be confused by that other "Hipro" out there who recently released a Seventeam based single 12V monster unit... that is a different company.

As is typical, the front of the box has some bragging points. And here they are:

  • ATX 12V Ver.2.2 for Intel and AMD system
  • Super Silence: Auto Thermal Control 12cm Fan
  • PCI-Express Connector Ready
  • High Efficiency up to 85% Energy Saving
  • Optimal System Airflow: black mesh cables
  • Universal AC Input: 115-230V
  • Provide System Stability: up to Four +12V Rails
  • Active PFC: up to 0.99 for stability output voltage value
  • Full Protection for Your System
  • Support Nvidia SLI and ATI Corssfire [sic] (550W/580W/630W)

Most of the bullet points add up to pretty standard bragging about the PSU within the box, but there's a couple things to mention. First, APFC does nothing for the output voltages. It cleans up the power apparent to the utility and allows for universal voltage input, that's all. There's also the implication that the quad 12V topology benefits system stability... this is not so. All it does is ensure the unit will shut down when it's supposed to when a 12V wire is shorted out. In practical operation, there's no real advantage or disadvantage to it. Like the circuit breakers in your house.

Unless the designers didn't know what they were doing, that is, and put all the PCI-E connectors on one rail. That's happened before, but not recently. We'll see if this unit is sensibly designed or not later on down the page.

Looking at the side of the box, we see that we're dealing with a 550W model that has 80 Plus certification.

Hold it, hold it, hold it... nobody said anything to me about a submarine. Am I supposed to test this underwater? I have a glass of it nearby, but I don't think I can get the unit inside there. Let me check... nope. Doesn't fit in there. Gasp... does this mean I get a free submarine ride now at the West Edmonton Mall? Cool!!!

Over on another side of the box, we see another picture of the submarine, along with a cable chart for no less than seven models. Do you think maybe the unit is shaped like a sub? I can't figure out why else there'd be a picture of a submarine on the box.

On the back of the box, we see little more than a simple set of specifications and a series of load tables for those seven PSU models. Although, there's also three sets of contact details in case you're like me and wondering what's up with that submarine.

Looks a little sparse in there, doesn't it?

Well, it's still looking sparse here. A power supply and a power cord is all you're getting with this unit. No submarine, sadly.

You may be wondering what that little white thing is above the switch. Why, that's a power indicator that lights up in blue whenever the unit has power applied.

The unit is finished in that matte black color I like so much, but unfortunately it looks like they didn't sleeve the cables all the way into the case. And in a rather ugly turn, the fan wires run outside the case in a loop before going back inside to hook up to the fan controller. I suppose this could be a good thing for those of you who like to mod your PSU fans for external control, but still... eeeeeeew!

And turning the unit over, things become truly ugly. Thanks to inadequate packaging that saw the protective plastic bag barely secured on the unit, my sample is boasting scratches galore. And I'm not talking about Mix Master Mike scratching either, which would be pretty darned cool to see, I'm talking about the "you can see bare metal in various places" kind of scratching.

And here's the label for the day. As you can see, this is a quad 12V unit rated at a combined 43.3A for the combined limit. This sounds low, but considering the fact we're talking about a 550W unit here, you really can't expect much more 12V juice than this. It should power a single 4870, but much more than that will require a unit with more gumption than a 550W unit can offer anyway.

Hipro D5501EU 3.3V 5V 12V1 12V2 12V3 12V4 -12V 5VSB
20A 25A 16A 16A 16A 16A 0.5A 2.5A
Max Power 130W 520W 6W 12.5W

With a combined 3.3V/5V limit of only 130W, this unit is a poor choice for that old A7N8X in the closet too. On this puppy, you're going to want to stick with modern 12V based motherboards.

It appears that the sleeving also only extends to the first connector on those Molex and SATA chains, making it a lot like the sleeving job on the Silverstone ST70EF.

Type of connector: Hipro D5501EU
ATX connector (450mm) 24 pin 12V1
5.25" Drive (450mm+150mm+150mm) 3
3.5" Drive connectors (+150mm) 1
SATA (450mm+150mm+150mm) 6
4+4 pin EPS12V/ATX12V connector (430mm) 1 12V2
6 pin PCIe (430mm) 1 12V3
6+2 pin PCIe (430mm) 1 12V4
Unit Dimensions(L x W x H)
140mm x 150mm x 86mm

And yes indeed, the 12V rail distribution is logical. Two 12V rails go to only the PCI-E connectors, one goes to the CPU, and the other goes to everything else. And just in case you'd like to split the EPS12V connector apart, Hipro has decided to split the cabling back at the PSU housing itself. This means you can go hide the 4 pin section you didn't use a little easier.


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