Conclusion – ASRock Z77 Extreme4

I had high expectations of the ASRock product due to what we have seen in previous chipsets.  Over time, they have developed this knack of offering a good performance product at a great price, and a large amount of free kit in the box to sweeten the deal.

The Z77 Extreme4 is the lower end enthusiast board coming out from ASRock at release (compared to a total 20 models listed on their website).  Therefore, when it comes in at $135, we should like this price.  In the box is not substantial, with just a pair of SATA cables and an SLI finger, but we are treated to the ASRock BIOS and Software package.  The big addition on the package is the Internet Flash software, allowing users to update their BIOS to the latest without needing to download it in an Operating System.

Performance wise, ASRock seem to be lacking the enhanced Turbo option utilized by other motherboard manufacturers by default, so we may see it in future BIOS builds.  The XFast LAN software also shows superior performance in incompressible transfers or real-world transfers compared to standard USB throughput.

By making this board a little bit smaller than ATX, this board is cheaper than the rest and I really like the styling.  As long as you remember to adjust the default CPU fan speed, this inexpensive board would be a good choice for an Ivy Bridge build.

Conclusion – ASUS P8Z77-V Pro

Whenever a reviewer deals with a variety of products at different price points, thoughts go through the mind of a reviewer about where that additional money has gone.  If you look at an ASUS board, the usual culprits pop up - vastly improved fan controls, superior BIOS and software, digital power delivery, and a general feel that the board is solidly built.  ASUS has gone another step further with their Z77 range, and on the Pro this means an Intel NIC as standard, onboard WiFi, USB Flashback, all four Ivy Bridge video outputs available, USB 3.0 Boost, Q-LED for POST diagnosis, and even a Thunderbolt header which connects to a future ASUS Thuderbolt add-in card (sold separately).  

Performance on the P8Z77-V Pro is bolstered by the MultiCore Enhancement BIOS setting, which invokes maximum turbo mode for any core loading by default giving multi-threaded results an advantageous score.  I feel this sort of setting will quickly become the standard, as motherboard manufacturers try to provide the best bang for buck on their products.

Despite the mishap regarding my CPU cooler (which is of an old design), there is not much I can complain about on the P8Z77-V Pro.  It overclocked a set of G.Skill DDR3-2666 memory to DDR3-2950 with a little increase in voltage without issue, and it overclocked the CPU rather vigorously to give 4774 MHz, even if it was a little toasty under load.

At $225/$235, the motherboard spectrum for Ivy Bridge will separate the very cheap and the very functional.  For a long-term build, the ASUS P8Z77-V Pro is a solid choice, and even has ASUS Premium Service warranty if you are in North America.

Update: I have just been informed that the Pro will soon drop in MSRP to $209.  This makes it even more affordable.

Gaming Benchmarks Conclusion – Gigabyte GA-Z77X-UD3H, MSI Z77A-GD65
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  • SnowKing - Tuesday, May 8, 2012 - link

    I think you are confusing bits per second vs. bytes per second. Do not be alarmed, that is the gimmick of Ethernet.

    10 mbps (megabits per second) = 1.25 MBps (megabytes per second)
    100 mbps (megabits per second) = 12.5 MBps (megabytes per second)
    1 gbps (gigabits per second) = 125 MBps (megabytes per second)

    If you want 1 GBps, you will need an 8 gbps connector i.e. (10gbps nic)...and good luck with that.

    Unit Converter
    http://www.numion.com/calculators/units.html
  • repoman27 - Tuesday, May 8, 2012 - link

    theSeb's (and originally adrien's) point here is that the chart for LAN speeds erroneously list MBps instead of Mbps.
  • HollyDOL - Wednesday, May 9, 2012 - link

    Transfer speed is always measured in bps (bits per second).
    Latin prefixes for kilo-Mega-Giga etc. signify 10^3,10^6 etc. bits

    Capacity volume is always measured in B (bytes).
    Latin prefixes for kilo-Mega-Giga etc. signify 2^10, 2^20 etc. Bytes (ie. 1kB = 1024 Bytes) according to old school rules.
    According to new customs kilo-Mega-Giga signify 10^3,10^6 etc. Bytes, prefixes kB, MB, GB, while alternate prefixes kiB,MiB,GiB signify 2^10,2^20... Bytes. Data storage capacity uses new style kB,MB,GB,TB for long years since it makes their drives look bigger, while on hardware and OS level you are much more likely to see units based on power of two since it is much more natural for binary computer.

    Basically 10Mbps = 1.25MB/s is completely wrong... 10Mbps = 10,000,000bps = 1,250,000 B/s = 1.192 MB/s

    1TB (new style or storage device manufacturers) = 931,32GiB
  • Schafdog - Tuesday, May 8, 2012 - link

    What is draw of power from GPUs?
  • IanCutress - Tuesday, May 8, 2012 - link

    The 7970s should Idle at approx 3W or less each.
  • gorg_graggel - Tuesday, May 8, 2012 - link

    the current asus lineup seems to have problems with memory configs that consist of 8GB dimms...
    their list of supported memory modules seems to be made for multiple boards...it contains configurations for e.g. 6x4gb for boards that have only 4 slots...so i guess it`s not only a problem with my board...

    i got myself a sabertooth z77 and a pair of corsair 1600mhz 8gb dimms. no matter how conservative i set the timings the board won`t boot at 1600mhz and freeze after some time at 1333mhz (spd or xmp don`t work either). i can only get them stable at 1066mhz. a single dimm runs fine at the specified clocks and timings.

    could you spare some time and test the boards with a 1600mhz config with 2 8gb dimms? or even with 4 of those? no underclocking of higher specced dimms, as there is a 2x8gb@1866mhz config in the list...
    would be interesting to know if all those boards had problems with ivy brigde`s max specified dram clocks...

    i guess it will be fixed in a future bios update, but maybe beeing pointed out by a respected site, they are gonna hurry it up a bit...i mean c`mon 1600mhz rams at 1066mhz? seriously...
  • gorg_graggel - Monday, May 14, 2012 - link

    so, i got myself another pair of 8gb dimms...
    g.skill ripjaws 1600mhz, cl10...

    those worked from the get go...also not on ovl list...

    the latest bios (1015) made the corsair dimms work better @1333mhz (no more freezing), but still no 1600 (for which they are specified)...

    so if you plan to get 8gb 1600mhz dimms for your asus board, steer clear from corsair vengeance low profile dimms...at least until the bios has matured some more...
  • Luay - Tuesday, May 8, 2012 - link

    The $225 Asus V Pro has the Realtek ALC892 audio chipset while the $148 Asrock Extreme4 has the 898! Not everyone wants or can install a sound card so what are they thinking?

    GIGABYTE GA-Z77X-UD5H-WB Has wireless, 898 audio chip and a third PCI-E 3.0 slot for $219. That's a good reason to pay an extra $70 over the Asrock Extreme4 as I don't really care about auto-over-clocking.

    Only Asrock at budget and Gigabyte at mid-end are in it to win it. Not enough high-end boards to tell who won there.

    I am shocked by what Asus put on the table but I might be missing something here.
  • blacksun1234 - Tuesday, May 8, 2012 - link

    Gigabyte's third PCI-E 3.0 slot cannot work if CPU BCLK OC only 1MHz to 101MHz. It is buggy M/B. Don't buy it.
  • blacksun1234 - Tuesday, May 8, 2012 - link

    I mean GIGABYTE GA-Z77X-UD5H-WB . GA-Z77X-UD3H is Ok for 3rd PCI-E 2.0.

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