A Look at ASUS’ Z77 Motherboard Features

by Rob Williams on March 12, 2012 in Motherboards

During a meeting with ASUS last week, we were given the run-down of what we can expect to see from the company’s upcoming Z77-based motherboards – and wow, is there a lot to cover. We’re taking a look at features for three particular models here, including the RoG Maximus V GENE, Sabertooth Z77 and P8Z77-V.

Page 2 – Sabertooth Z77, P8Z77-V & Final Thoughts

Since ASUS’ launch of Sabertooth, it’s been a series that I’ve held a great interest in – and I’m confident that the next time I upgrade my personal PC, it’ll be equipped with a Sabertooth board. I am not big on overclocking, so ASUS’ major attention to stability and high-quality components is really what intrigues me. That, and its five-year warranty, of course.

ASUS has a dedicated team working on Sabertooth, and for the next iteration, there’s a lot to note. First off, the TUF (The Ultimate Force) Thermal Armor has made a return and is better than ever. While you’re free to remove it, keeping it installed guarantees lower temperatures across the entire surface of the board.

Other features brought to the Sabertooth Z77 include Dust Defender, which refers to accessories that will be included to allow you to block off certain areas of the motherboard where dust can become a problem, such as DIMM slots, USB connectors or PCIe slots. You can see examples of what I am referring to below:

ASUS Sabertooth Z77

When a PC is shut down, so are its fans. But when you think about it, heat doesn’t just disappear because the PC is turned off, but rather lingers around for a while until it finally escapes out the back and cools down. Since both desktop and workstation platforms can heat up quite a bit inside, ASUS has added a feature with the Sabertooth Z77 that allows the fans to continue running for a few minutes after the PC is shut down. This is a feature I hope to see implemented in other ASUS motherboards in the near-future.

ASUS Sabertooth Z77

Continuing the theme of effective cooling, ASUS has also added a total of six “convection holes” in the back of the motherboard near certain hot-spots, and while most (including me) wouldn’t immediately think that something so simple could make a notable difference, it does. According to ASUS’ tests, having these holes can decrease temperatures around the VCore area up to at least 8°C (we were given no baseline, but without the Thermal Armor, the VCore area temp is 8°C higher).

ASUS Sabertooth Z77

Also added is a small fan that can be installed near the center of the board, close to the motherboard’s chipset. Thanks to the Thermal Armor, the air from this fan will make its way to the chipset and then to the SATA 6Gbit/s controller. Another fan can be installed towards the top of the board which will help improve airflow around the PWM area – usually the hottest on any motherboard.

ASUS Sabertooth Z77

I’d be remiss if I didn’t mention that the Sabertooth Z77 has multiple temperature sensors located around the board as part of the overall TUF design. In conjunction with included software, you can locate problem areas if they exist and create profiles to maximize cooling.

RoG might offer some of the features that ASUS is most proud of, but the Sabertooth Z77 motherboard has won me over for its continuing emphasis on stability, long-life and cooling. If I were in the market for an upgrade once Intel’s 3rd generation processors launch, this board would be at the top of my consideration list.


ASUS’ most popular motherboards fall into the “P” series, as it ranges from the affordable up to the high-end enthusiast. These boards aren’t particularly built for major overclocking, though they are more than capable. They can suit many different needs, whether you want a solution that packs in as much as possible or a modest offering that will get you by – and then some.

It’s impossible to talk about all of the features that are coming to ASUS’ next “P” boards, and to be honest, I forget a lot of what I was told during our meeting last week because there’s just so much new. Once I have my hands on a proper matrix of ASUS’ available boards, the new features will be a lot easier to keep on top of.


ASUS claims to be the first motherboard vendor that aimed to have Intel NICs on most of its line-up, and it’s one addition I appreciate greatly. The tradition continues with the upcoming boards, where almost all of ASUS’ entire line-up includes one. Only on the lowest-end models will there be a lack of an Intel NIC.

One of ASUS’ most touted motherboard features has been DIGI+, now entering its eighth generation. This is a robust fully automated power control solution that attempts to keep the board running as stable, and cool, as possible. There are multiple DIGI+ controllers located around the board, this time around affecting the iGPU, GPU and DRAM. These controllers help deliver specific information inside of the EFI or included Windows software.


Wi-Fi has been a relative stature with ASUS’ P series boards for a while, and with the upcoming models we will see even more models feature the functionality. On the P8Z77-V, the wireless card will not be installed on the motherboard by default, but can be added on after-the-fact if you choose to use it (it’s included in the box).


Something notable with this release is that the wireless is DLNA compatible, for both sending and receiving. If you have a device that supports DLNA, you can use it with this motherboard as you’d expect, but if you have a device that ASUS officially supports, such as the Transformer Prime, you will be able to send files directly to it using the contextual menu when right-clicking a file in Windows. This is the sort of feature that’s easy to miss, but very useful.

Of all the features we were shown at ASUS HQ, the next one is likely my favorite. It’s called Fan Xpert 2, an obvious follow-up to ASUS’ original Fan Xpert. This solution allows you to create profiles for adjusting fan speeds on-the-fly, but something new is brought here. Understanding that not everyone has a fan controller or identical fans throughout their rigs, an “Auto Tune” feature has been added.


Once Auto Tune is clicked, the motherboard will decrease the speeds on all installed fans to their minimum levels, and then crank them up to max. In doing this, it gains the RPM values at each interval and uses that information to create better automated cooling profiles. The goal here is to not run a fan faster than it needs to be, in turn reducing noise.

While it’s impossible for ASUS to know just how loud a particular fan is at a particular RPM, the company has tested many different models to help make its algorithm as accurate as possible. Should your PC be running cool enough inside, this hardware solution can even turn fans off completely. And because the motherboard will have all of the appropriate values stored within the software, you’ll also have the ability to force the fans to “silent”, “standard” or “turbo”, depending on your cooling needs at the time.

Upcoming P series motherboards also include a feature called USB 3.0 Boost to help improve transfer speeds of USB 3.0 devices. The current USB 3.0 UASP protocol is used, which improves queue depth, enabling USB 3.0 devices to perform much faster than they are specced out to be. In the examples we were shown, a USB 3.0 flash drive at about 220MB/s on an older platform became 300MB/s+ on this P8Z77-V. I have doubts anyone will be complaining about a free performance boost like that.


Given that we’re at the end of two feature-packed pages, you might imagine that I covered everything there is to cover. That’s far from being the case, as even right after I left ASUS’ HQ last week I probably forgot half of what I was told (last time I forgot a voice recorder!). Once we tackle our actual reviews of these motherboards, we’ll delve into some of the more specific features more. If there’s one thing I realized well from our meeting with ASUS, it’s that a lot of the best features aren’t always immediately noticeable, so we’ll be sure not to miss anything notable when the time comes.

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Rob Williams

Rob founded Techgage in 2005 to be an 'Advocate of the consumer', focusing on fair reviews and keeping people apprised of news in the tech world. Catering to both enthusiasts and businesses alike; from desktop gaming to professional workstations, and all the supporting software.

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