Home / Component / CPU / MSI Z87 MPOWER MAX Review (w/ 4770k / HD7990 / 2,933mhz DDR3)

MSI Z87 MPOWER MAX Review (w/ 4770k / HD7990 / 2,933mhz DDR3)

We always like to use the latest memory when testing a new series of motherboards. With this in mind Corsair very kindly offered to send us 16GB of their latest Vengeance Pro Series 2,400mhz memory. We will be looking closer at this memory in a dedicated review shortly.
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The Corsair Vengeance Pro ships in a colourful package featuring an artistic photograph of the heatspreader, as shown above.
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The heatsinks are nicely designed with curved edges and company branding on the sides.
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This memory has an XMP profile set at 2,400mhz with 10-12-12-31 timings.
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Corsair also sent us one of their HX750 power supplies which is 100% compatible with Haswell. We recently published a little article on these compatibility concerns over here, with a short excerpt below:

“Intel’s Haswell C6/C7 power states require a minimum load of 0.05A on the 12V2 rail and many current power supplies will fail to provide that low a current. Many older power supply designs comply with ATX 12V V2.3 design guidelines meaning they only call for load of 0.5A on the CPU power rail. This will mean C6 and C7 power states will be disabled in the bios.

Although we have yet to test, there may be cases that the supplies will become unstable when the processors try to enter into these states. Additionally the problems get worse when we factor in that many power supply units do not report minimum currents supported by the 12V2 rail.

From what we hear, the problem may kick in when the CPU enters sleep mode but with a load on the power supply non primary +3.3V and +5V rails. If the load on these rails hits a certain point (different from PSU to PSU) the +12V can go out of spec – voltages greater than 12.6V. If the +12V is out of spec when the system steps out of sleep state the power supply protection may kick in and stop the power supply from running normally. This situation may involve the end user turning the power supply switch off and back on again.

A power supply that uses a DC to DC design for the non primary +3.3V and +5V rails will not have a problem with the new low power sleep states. The reason is based around the DC to DC converter, used to convert +12V to +3.3V and +5V. This design ensures that there will always be load on the +12V regards of the load the CPU places on the power supply.”
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Corsair also sent over one of their H100i coolers which we reviewed back in November last year, it is one of the best mainstream ‘all in one’ coolers money can buy. You can read our full review over here. Special thanks to Corsair for outfitting us with much of our partnering equipment for this review today.

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5 comments

  1. Street Fighter

    my favourite of the bunch so far. awesome work MSI

  2. nice system build. In my dreams.

    Seriously though im thinking about this board for my next build – once I get my money back from DABS for a faulty product.

  3. I think the gigabyte boards look the best, but its not that big a deal when they all seem this good. ASUS Is my least favourite.

    Good job from MSI with this one – i have had good succcess in the past with MSI products.

  4. I think that this has to be one of the nicest looking 1150 boards that you’ve looked at in the past few days, well done MSI!

  5. bought, own it, love it.