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Biostar TZ77XE4

Six Sub-£160 Z77 Motherboards, Benchmarked And Reviewed
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Available for around £135, our U.S. editors had to search for the highest-priced vendors just to keep Biostar’s entry in today’s round-up. That is to say, it's priced low enough elsewhere that it could have been included in a follow-up story on even more affordable Z77-based models. This is where Biostar wants to compete, though, confident enough that it's willing to put the TZ77XE4 up against higher-priced parts from competing companies.

The TZ77XE4 looks fairly basic by the standards of its competition, relying solely upon the chipset’s four ports for USB 3.0, and sharing eSATA with one of its internal ports. Apart from a lack of additional USB 3.0 controllers, that pits Biostar directly against ASRock’s model.

Both manufacturers offer internal power and reset switches. Both have Port 80 diagnostics displays. Both have replaceable firmware ROMs. And the CLR_CMOS switch on ASRock’s I/O panel CLR_CMOS is found internally on the Biostar TZ77XE4. The TZ77XE4 physically supports three-way graphics arrays more logically by placing its trio of x16-length slots at triple-slot spacing, but its third slot is still limited to four PCIe 2.0 lanes from the Z77 controller.

Biostar’s novel approach to moving its top x16 slot as high as possible is to place DIMM connectors between mounting holes so that they can be moved closer to the board’s top edge. This removes much of the conflict between graphics cards and DIMM latches, though the CPU interface is not moved northward in a similar fashion. This limits the width of most CPU coolers to around 135 mm, and off-center DIMMS could affect memory overclocking. While we couldn’t check every cooler on the market to determine which ones fit, our overclocking tests will reveal whether offset DIMMs create a problem.

Other unusual features include a front-panel audio connector above the second graphics card slot and a front-panel USB 3.0 connector above the third graphics card slot. These won't be affected by graphics coolers, but whether they block the PCIe x1 or PCI slots depends heavily on where components are located on those cards.

The TZ77XE4’s installation kit includes four SATA cables, CrossFire and SLI two-way bridges, and an I/O shield. Though it’s not stuffed with fluff, this selection of parts should be more than adequate for the needs of most builders.

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  • 1 Hide
    miguels , 1 May 2012 06:29
    I'm a bit new to this, but how can we start the pc if the motherboard doesn't have the power button?
  • 1 Hide
    digdog , 1 May 2012 09:38
    on the bottom of the motherboard there's a set of headers (small pins) that connect to the various buttons on your pc case, one of which is the power-on button.
  • -2 Hide
    mi1ez , 1 May 2012 10:57
    DigDogon the bottom of the motherboard there's a set of headers (small pins) that connect to the various buttons on your pc case, one of which is the power-on button.

    just short the 2 power button pins with a screwdriver.
  • 1 Hide
    miguels , 1 May 2012 19:53
    Quote:
    DigDog :
    on the bottom of the motherboard there's a set of headers (small pins) that connect to the various buttons on your pc case, one of which is the power-on button.


    just short the 2 power button pins with a screwdriver.


    Yeah, I know, but it says in the article that the Asus P8Z77-V Pro doesn't have a power button
  • 1 Hide
    Anonymous , 2 May 2012 02:24
    usb3/sata3/wifi/bluetooth still very limited ...these r not cheap boards.......why????
  • 0 Hide
    TheCereaKillerPT , 6 May 2012 07:27
    miguelsYeah, I know, but it says in the article that the Asus P8Z77-V Pro doesn't have a power button


    Yes , but there a set of headers were u can connect the cables that connet to the front / top of your case so that u can just click and that it . The ones that have a power button it's if u want to change parts like gpu and u don't want to put it in a case. Hope it helped :)