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Z77 Motherboard Round-Up: MSI, ASUS, Gigabyte, Intel
Date: Apr 08, 2012
Author: Marco Chiappetta
Introduction and the Z77 Chipset

In preparation for the impending arrival of the company’s 3rd Generation Core processor products based on its Ivy Bridge microarchitecture, Intel has readied a new chipset dubbed the Z77 Express. We have already been able to show you a number of Z77 Express-based motherboards, thanks to a handful of sneak peeks while out at CES early this year and a few briefings that took place afterwards, but today we can finally give you the full monty on the chipset itself.

We have been playing with a few Z77 Express-based motherboards for the past couple of weeks, evaluated their performance, and have gathered up our data for you here. On tap in this round-up we have motherboards from MSI, Gigabyte, Asus and Intel. Considering the fact that the Z77 Express is designed for next-gen processors and targets the high-performance desktop segment, it should come as no surprise that all of the motherboard we’ll be showing you here are aimed at enthusiasts. The MSI Z77A-GD65, Gigabyte Z77Z-UD5H, Asus P8Z77-V Deluxe, and Intel DZ77GA-70K are all high-end motherboards, packed with integrated features, and a full complement of overclocking tools. However, while they may all be built around the same chipset, these boards are configured quite differently in terms of their I/O capabilities and their UEFI menus. As you’ll see, nearly gone are the days of similar-looking, blue-and-yellow, text-based BIOS menus.

One thing we should point out though, is that we tested all of these motherboards using a Sandy Bridge-based processor; a Core i7-2700K to be more specific. Intel is ready for the Z77 Express to officially make its debut, but Ivy Bridge and Intel’s 3rd Generation Core processor products are still a few weeks out. Regardless, at least you’ll get to see what Intel and its motherboard partners have in store...

Intel Z77 Express Chipset Block Diagram

Before we show you the motherboards themselves, we should take a bit about the Z77 Express chipset at the heart of all the ‘boards. The high-level block diagram above gives a good visual representation of the Z77 Express chipset’s main features. Like the Z68 (and a few generations to come before it), the new Z77 Express chipset is essentially an I/O hub, as all of the traditional Northbridge functionality previously found in a Northbridge chip has long since been integrated into the processor itself.

As you can see, Intel’s socket 1155 Core processors offer 16 lanes of PCI Express 2.0 or 3.0 connectivity on-die, which can be configured in a number of difference ways (i.e. 1x16, 2x8, etc.) and they feature integrated dual-channel, DDR3 memory controllers with maximum officially supported speeds of up to 1600MHz (much higher speeds are possible with overclocking, however).

The processors are linked to the chipset via Intel’s FDI (Flexible Display Interface) and 20Gb/s DMI 2.0 interface. The chipset itself is outfitted with 8 more PCIe 2.0 lanes, along with various other I/O, like six ports of SATA (II and III), an integrated Gigabit MAC, and digital display outputs for up to three displays. Making its debut in an Intel chipset is also native USB 3.0 support. The Z77 Express has four USB 3.0 and ten USB 2.0 ports built in. The chipset also has support for Intel’s Rapid Storage Technology (RST), RAID, Smart Response Technology, or SRT, and other features like FastBoot.


For the purposes of this article, we acquired a handful of Z77 Express-based motherboards to give you all an idea as to what type of boards would be hitting the scene when the Z77 Express is first made available.

First up, we have the MSI Z77A-GD65. Like the other Z77 Express-based motherboards we’ll be featuring here, all of the Z77 chipset’s features are available on the MSI Z77A-GD65, but MSI works a bit of their own magic as well. The MSI Z77A-GD65 features a mouse-friendly UEFI “Click BIOS II” that’s much easier to navigate than traditional text-based BIOS menus (more on this later). The board is also in MSI’s “Military Class III” family and features super ferrite chokes, highly conductive polymer capacitors and / or solid capacitors throughout, which should offer increased stability and longevity, as well as lower total power consumption. The Z77A-GD65 also has a digital PWM for more efficient power delivery.




The MSI Z77A-GD65 also supports “1 second overclocking” thanks to its OC Genie feature and button, but the UEFI sports all of the overclocker-friendly features we’ve come to expect from MSI for manual tweaking as well. MSI also includes their new Instant OC Control Center software which gives users the ability the monitor and control system parameters from within Windows, with no need to reboot when making changes.

Other features of the MSI Z68A-GD80 include USB3.0 and CrossFire / SLI support, integrated voltage check-points, and “Super Charger” which allows users to charge USB devices even when the system is powered down. We found the layout of the MSI Z68A-GD805 to be quite good and also like the dark blue and black features on the board, although all of the boards we look at here have similar color schemes too.

MSI includes plenty of documentation with the Z77A-GD65, in addition to an I/O shield, drive and utility CD, an SLI bridge, four SATA cables, front panel quick connectors, and extension leads for the integrated voltage checkpoints. There’s nothing over the top about the board’s bundle, but all of the necessities are there.

Asus P8PZ77-V Deluxe

Next up, we have the Asus P8Z77-V Deluxe. The P8Z77-V Deluxe is one of the most feature laden motherboards in this round-up, in terms of both its hardware and software.

In addition to exploiting all of the features inherent to the Z77 Express chipset, the P8Z77-V Deluxe offers additional USB 3.0 support by way of discrete ASMedia controllers, Bluetooth and WiFi connectivity, additional SATA 6Gbps ports, and what Asus calls its “Dual Intelligent Processors 3”. The Dual Intelligent Processors consist of Asus’ EPU unit, which we’ve covered in the past, and the TurboV processing unit. The processors work together with the P8Z77-V Deluxe’s programmable digital VRM (DIGI+ VRM) and give users the ability to monitor and adjust power delivery. According to Asus, the combination of the programmable digital VRM and Dual Intelligent Processors 3 results in superior power efficiency and longevity.

Along with the aforementioned items, the P8Z77-V Deluxe is also outfitted with a PLX PCI Express switch, which give the board to the ability to have all of its expansion slots enabled with full bandwidth at all times, regardless of the CPU installed (some of the boards require an Ivy Bridge CPU to enable the last PCIe slot). And the P8Z77-V Deluxe is Thunderbolt-ready as well. There is a header on the board which will accept a Thunderbolt expansion card, which will be released in a few weeks.



The P8Z77-V Deluxe has a couple of other interesting features as well. For example, you can flash this board’s BIOS even if there is no CPU or memory installed via its “USB BIOS Flashback” feature. It also support the USB Attached SCSI Protocol, which can be enabled via Asus’ AI Suite software, to boost USB 3.0 throughout by as much as 170% (we have an article in the work specifically exploring this feature).

The Asus P8Z77-V Deluxe also supports SLI and CrossFireX, DTS Surround, and Asus includes a copy of their AI Suite II, which gives users easy access to all of the Asus-proprietary features mentioned here in a single software package. In addition to the aforementioned features, the P8Z77-V Deluxe also sports an excellent UEFI with one-click overclocking and tuning that’s navigable using a mouse.

Bundled with the Asus P8Z77-V Deluxe were a user’s manual, driver / utility CD, a WiFi & Bluetooth module (with dual external antennas), a package of front panel header quick disconnects, an I/O shield, SLI bridge, and six SATA cables.

Gigabyte Z77X-UD5H

Here we have the Gigabyte Z77X-UD5H. Like the other motherboards featured here, the Z77X-UD5H is an enthusiast class, Z77 Express-based motherboard for socket 1155 Sandy Bridge and Ivy Bridge processors.

The Gigabyte Z77X-UD5H offers all digital voltage regulation; a feature that Gigabyte calls 3D Power. The board is also part of Gigabyte’s “Ultra Durable 4” family of products, and is reportedly outfitted with double the amount of copper within the layers of the PCB and a new fiberglass fabric in the PCB which reportedly offers better humidity protection. Ultra Durable 4 branded products also reportedly offer enhanced electrostatic and thermal protection as well.



In terms of more tangible features, the Gigabyte Z77X-UD5H offers a total of 16 USB ports (10 USB 3.0 and six USB 2.0), six SATA 6Gbps and four SATA 3Gps connectors, CrossFireX and SLI support, DualBIOS technology, and On/Off Charge support. The Z77X-UD5H also offers every display output option available (VGA, DVI, HDMI, and DP) and integrated mSATA. The mSATA port is located right about in the center of the board and makes it easy (and relatively cheap) for users to take advantage of Intel’s Smart Response Technology. Using the mSATA port, however, will disable one of the standard SATA ports.

Speaking of things getting disabled, we should also point out that the bottom PCI Express slot (x16 physical, x4 electrical) is only usable when an Ivy Bridge CPU is installed in the board.

Other standout features of the Gigabyte Z77X-UD5H include dual Gigabit LAN (one Intel controller one Atheros controller), integrated Creative Labs Sound Blaster X-Fi MB2 audio, and a new 3D BIOS UEFI. Gigabyte’s 3D BIOS give’s users the ability to click on a section of the motherboard to tweaks its options, although an advanced menu with a more comprehensive list of options is also available.

Inside the box, Gigabyte provides a pretty nice bundle with the Z77X-UD5H as well. Along with the board, we found a couple of manuals, a driver / utility CD, a case badge, a I/O shield, an SLI bridge connector, four SATA cables, and a bay mountable pair of USB 3.0 ports.

Intel DZ77GA-70K

Finally we have the Intel DZ77GA-70K. The DZ77GA-70K is a member of Intel’s Extreme Series of motherboards, and as such, features the black and dark blue color scheme of its predecessors and a full complement of overclocking capabilities.

As you’d expect from an Intel-built motherboard, DZ77GA-70K exploits all of the features inherent to the Z77 Express chipset and adds a few more, like Bluetooth, WiFi and Firewire, through the use of third-party controllers. The board features Intel’s “Fast Boot” technology, which speeds the boot process by eliminating the need to complete a full POST when the hardware and configuration of the system is unchanged from the previous boot.



The DZ77GA-70K also supports Extreme Memory Profiles (XMP 1.3) for easy high-speed memory configuration and even includes an extensive set of overclocking tools via an excellent UEFI Intel is calling their Visual BIOS. We should point out that those overclocking tools are not only available via the UEFI, but also through a Windows-based application called the Intel Extreme Tuning Utility, or Intel XTU. XTU gives users the ability to tweak numerous performance-related options and monitors system temperatures and fan speeds. “One Touch” overclocking options are also available via a simple slider for those that want a quick and easy speed boost, without doing much tweaking.

The DZ77GA-70K features heavy-duty heatsinks for the chipset and voltage regulation modules, integrated power and reset switches, solid capacitors, and a POST code error reporter, along with a number of LED status indicators. The board is outfitted with three PCI Express x16 slots, with full support for both NVIDIA’s SLI and AMD’s CrossFire multi-GPU technologies.

Included with the Intel DZ77GA-70K, we found an Intel “Extreme Series” mouse mat, a quick installation guide, a custom I/O shield, an SLI bridge, a WiFi and Bluetooth module (with requisite cable), a driver / utility CD, and a bay mountable cage with dual USB 3.0 ports.

UEFI Comparisons and Overclocking

Although not every motherboard on the market has made the switchover, with these new Z77 Express-based motherboards, the boring text-based BIOS menus of the past are no more. All four of the Z77 Express-based motherboards in this round-up feature graphically-rich, mouse-enabled UEFI (Unified Extensible Firmware Interface) menus that are very different from one another.

Intel Visual BIOS

These first two shots are of the main menu and CPU overclocking menu of Intel’s Visual BIOS, installed on the DZ77GA-70K. As you can see, the menus are well laid out and labeled and items can be tweaked easily via simple sliders. With unlocked K-Series processors, overclocking is as easy as dragging a slider to your desired speed and voltages and other items can be tweaked just as quickly. We really liked what Intel has done with their Visual BIOS; it is a huge step up in appearance and usability from their older text-based menu system.

Gigabyte 3D BIOS

Gigabyte has taken a much different approach to their UEFI than the other manufacturers represented here. The Gigabyte Z77X-UD5H sports that Gigabyte is calling their 3D BIOS. What’s unique about its setup is that there is actually a clickable (and rotatable) 3D rendering of the actual motherboard pictured in the UEFI, and if a user would like to alter the settings of say the CPU or memory, all they have to do is click on them in the image. It’s a pretty cool setup, but be found it to be somewhat less responsive to mouse input than the others. There is, however, and advanced view also available with a simple to navigate list of options as well.

Asus UEFI BIOS Utility

Asus has been offering UEFI menus on their enthusiast boards for quite a while now, and it shows with the P8Z77-V Deluxe. The P8Z77-V Deluxe’s UEFI feels more refined than the others; it is well laid out, responsive, intuitive, and it is rife with advanced features. One-touch overclocking is available and the main menu shows a wealth of status information immediately upon entering the UEFI. An advanced view, however, offers a much more comprehensive list of tweakable options.


And here we have MSI’s Click BIOS II. MSI has done a good job appointing Click BIOS II with plenty of features, but we wish the actual menu lists were somewhat larger. A significant portion of the screen is taken up by huge, clickable buttons on either side with the actual menus crammed in between. One of the more interesting features of the Z77A-GD65’s UEFI is its built in browser. It’s not accessible without installing a utility on the system (and reserving a bit of drive space), but when it is, it gives users the ability to access the web and e-mail without having to boot the OS.

Overclocking with the Z77 Express Chipset
Taking Things Up A Notch or Three

Of course, all of these motherboard sport extensive hardware monitoring and overclocking features, so we set out to overclock our Core i7-2700K using a stock Intel air cooler and default voltages to see if there were any major differences between the boards. Ultimately, however, there was not.

As you probably know by now, there is very little wiggle room with Intel’s Sandy Bridge processors to alter the base clock, so overclocking is mainly done via multiplier manipulation. With our particular CPU and a stock cooler, we have peaked at just about 4.6GHz in the past, and that’s exactly what we were able to do again with these board. We were able to hit a perfectly stable frequency just shy of 4.6GHz using a base clock of 104MHz with a multiplier of 44x. Higher frequencies would be possible with more voltage and a higher-performing cooler, but as is always the case with overclocking, your mileage will vary. Regardless, all four of these Z77 Express-based motherboard offers something to overclockers.

Test Setup and PCMark 7

Test System Configuration Notes: When configuring our test systems for this article, we first entered their respective UEFI menus and set each board to its "Optimized" or "High performance Defaults". We then saved the settings, re-entered the BIOS and set the memory frequency to the maximum officially supported speed for the given platform. The SSDs were then formatted, and Windows 7 Ultimate x64 was installed. When the Windows installation was complete, we updated the OS, and installed the drivers necessary for our components. Auto-Updating and Windows Defender were then disabled and we installed all of our benchmarking software, performed a disk clean-up, cleared temp and prefetch data, and ran the tests.

HotHardware's Test Systems
Intel and AMD - Head To Head

System 1:
Core i7-2700K
(3.3GHz - Quad-Core)

Asus P8Z77-V Deluxe
Gigabyte Z77X-UD5H
Intel DZ77GA-70K
(Z77 Express Chipset)

2x4GB G.SKILL DDR3-1866
(@ 1333MHz)

GeForce GTX 280
On-Board Ethernet
On-board Audio

OCZ Vertex 3 MaxIOPS

Windows 7 x64

System 2:
Intel Core i7-2700K
(3.3GHz - Quad-Core)

Asus P8Z68-A Pro
(Z68 Express Chipset)

2x4GB G.SKILL DDR3-1866
(@ 1333MHz)

GeForce GTX 280
On-Board Ethernet
On-board Audio

OCZ Vertex 3 MaxIOPS

Windows 7 x64

System 3:
Intel Core i7-3820
(3.2GHz - Quad-Core)

Asus P9X79 Deluxe
(X79 Express Chipset)

4x4GB G.SKILL DDR3-1866
(@ 1600MHz)

GeForce GTX 280
On-Board Ethernet
On-board Audio

OCZ Vertex 3 MaxIOPS

Windows 7 x64

System 4:
AMD FX-8150
(3.6GHz Eight-Core)

Asus CrossHair V Formula
(AMD 990FX Chipset)

2x4GB G.SKILL DDR3-1866
(@ 1866MHz)

GeForce GTX 280
On-Board Ethernet
On-board Audio

OCZ Vertex 3 MaxIOPS

Windows 7 x64

Futuremark's PCMark 7 is the latest version of the PCMark whole-system benchmarking suite. It has updated application performance measurements targeted for a Windows 7 environment and uses newer metrics to gauge relative performance, versus the older PCMark Vantage.

Below is what Futuremark says is incorporated in the base PCMark suite and the Entertainment, Creativity, and Productivity suites, the four modules we have benchmark scores for you here.

Futuremark PCMark 7
General Application and Multimedia Performance
The PCMark test is a collection of workloads that measure system performance during typical desktop usage. This is the most important test since it returns the official PCMark score for the system
  • Windows Defender
  • Importing pictures
  • Gaming

Video Playback and transcoding

  • DirectX 9

Image manipulation
Web browsing and decrypting

The Entertainment test is a collection of workloads that measure system performance in entertainment scenarios using mostly application workloads. Individual tests include recording, viewing, streaming and transcoding TV shows and movies, importing, organizing and browsing new music and several gaming related workloads. If the target system is not capable of running DirectX 10 workloads then those tests are skipped. At the end of the benchmark run the system is given an Entertainment test score.

The Creativity test contains a collection of workloads to measure the system performance in typical creativity scenarios. Individual tests include viewing, editing, transcoding and storing photos and videos. At the end of the benchmark run the system is given a Creativity test score.

The Productivity test is a collection of workloads that measure system performance in typical productivity scenarios. Individual workloads include loading web pages and using home office applications. At the end of the benchmark run the system is given a Productivity test score.

All four of the Z77 Express-based motherboards we tested performed with a fraction of one another and the older Z68 platform. If you want to pick nits, the Asus P8Z77-V Deluxe technically put up the highest PCMark score, but the deltas separating the boards is so small that it falls well within the margin of error for this benchmark.
Cinebench R11.5 and POV-Ray

Cinebench R11.5 is an OpenGL 3D rendering performance test based on Cinema 4D from Maxon. Cinema 4D is a 3D rendering and animation suite used by 3D animation houses and producers like Sony Animation and many others. It's very demanding of system processor resources and is an excellent gauge of computational throughput. This is a multi-threaded, multi-processor aware benchmark that renders a 3D scene and tracks the length of the entire process. The rate at which each test system was able to render the entire scene is represented in the graph below.

Cinebench R11.5
3D Rendering Benchmark

In the single threaded Cinebench test, all of the boards performed within 1/100 of a point of one another, which is about as close as can get. In the multi-threaded test, however, there was a bit larger spread. All of the Z77 Express-based motherboards came in a touch ahead of the Z78 and the Intel DZ77GA-70K--somewhat surprisingly--took the lead overall.
POV-Ray Performance
Ray Tracing Benchmark

POV-Ray , or the Persistence of Vision Ray-Tracer, is an open source tool for creating realistically lit 3D graphics artwork. We tested with POV-Ray's standard 'one-CPU' and 'all-CPU' benchmarking tools on all of our test machines and recorded the scores reported for each. Results are measured in pixels-per-second throughput; higher scores equate to better performance.

All of the Core i7-2700 powered systems, whether running on the Z68 or Z77 Expressed, performed right on par with each other. There was less than a 1% variation in performance between the Z77 Express based motherboards, which is to say they essentially performed identically.

LAME MT and SunSpider

In our custom LAME MT MP3 encoding test, we convert a large WAV file to the MP3 format, which is a popular scenario that many end users work with on a day-to-day basis to provide portability and storage of their digital audio content. LAME is an open-source mid to high bit-rate and VBR (variable bit rate) MP3 audio encoder that is used widely around the world in a multitude of third party applications.

Audio Conversion and Encoding

In this test, we created our own 223MB WAV audio file and converted it to the MP3 format using the multi-thread capable LAME MT application in single and multi-thread modes. Processing times are recorded below, listed in seconds. Shorter times equate to better performance.

Just in case you were wondering--yes, this graph is correct. All of the Z77, Z68, and X79-based systems represented in this graph perfomed identically. The benchmark uses only one or two threads, and since the Core i7-2700K and Core i7-3820 feature similar cores that Turbo up to the same frequency, performance was the same across the board.
SunSpider JavaScript Benchmark
JavsScript Performance Testing

Next up, we have some numbers from the SunSpoder JavaScript benchmark. According to the SunSpider website:

This benchmark tests the core JavaScript language only, not the DOM or other browser APIs. It is designed to compare different versions of the same browser, and different browsers to each other. Unlike many widely available JavaScript benchmarks, this test is:

Real World - This test mostly avoids microbenchmarks, and tries to focus on the kinds of actual problems developers solve with JavaScript today, and the problems they may want to tackle in the future as the language gets faster. This includes tests to generate a tagcloud from JSON input, a 3D raytracer, cryptography tests, code decompression, and many more examples. There are a few microbenchmarkish things, but they mostly represent real performance problems that developers have encountered.

Balanced - This test is balanced between different areas of the language and different types of code. It's not all math, all string processing, or all timing simple loops. In addition to having tests in many categories, the individual tests were balanced to take similar amounts of time on currently shipping versions of popular browsers.

Statistically Sound - One of the challenges of benchmarking is knowing how much noise you have in your measurements. This benchmark runs each test multiple times and determines an error range (technically, a 95% confidence interval). In addition, in comparison mode it tells you if you have enough data to determine if the difference is statistically significant.

All of the systems were testing using the latest version of Internet Explorer 9, with default browser settings, on a clean installation of Windows 7 Ultimate x64.

Once again, we saw minimal variation from system to system here, regardless of the motherboard, save for the AMD-based system which trailed the others by a wide margin.
Low-Res: Gaming Tests

For our next series of tests, we moved on to some more in-game benchmarking with Crysis and Enemy Territory: Quake Wars. When testing processors with Crysis or ET:QW, we drop the resolution to 1024x768, and reduce all of the in-game graphical options to their minimum values to isolate CPU and memory performance as much as possible. However, the in-game effects, which control the level of detail for the games' physics engines and particle systems, are left at their maximum values, since these actually do place a load on the CPU rather than GPU.

Low-Resolution Gaming: Crysis and ET: Quake Wars
Taking the GPU out of the Equation

We saw minute performance differences between the various Intel-based motherboards in our low-res game tests, but there was no clear winner.
USB 3.0 Tests

Due to the fact that native USB 3.0 support is one of the main new additions to the Z77 Express chipset, and a couple of the motherboard had third-party, discrete USB 3.0 controllers on board as well, we did some testing to compare the performance of each solution.

For these tests, we connected an external USB 3.0 enclosure with a 7200 RPM hard drive installed within. Once the drive was connected, we fired up the ATTO Disk benchmark and ran the tests on the external drive.

USB 3.0 Testing
Intel vs. NEC vs. ASMedia

As you can see, in terms of its write performance, the native Intel USB 3.0 performed right on par with the discrete ASMedia controller. Both Intel and ASMedia, however, had a clear advantage over the NEC controller when smaller block sizes were used. In regard to reads, the native Intel USB 3.0 interface trailed the ASMedia and NEC controllers at the smallest of transfer sizes, but Intel eventually surpassed the NEC controller and then just missed the mark set by ASMedia.

With that said, some USB solutions—like Intel and ASMedia—also support UASP, the USB Attached SCSI Protocol, which can boost performance significantly. We’re going to be experimenting with UASP in the near future and will have a follow-up with full performance data posted soon. In the meantime, if you pick up a Z77 board and don’t have the necessary software to enable UASP mode, these are the kind of numbers you can expect.

Total System Power Consumption
Before bringing this article to a close, we'd also like to take a but about power consumption. Throughout all of our benchmarking and testing, we monitored how much power each of our Z77 Express-based test system was consuming with a power meter, and compared them to the reference systems used throughout our benchmark tests.

Total System Power Consumption
Tested at the Outlet

Our goal was to give you an idea as to how much power each configuration used while idling at the Windows desktop and while under a heavy CPU workload. Keep in mind, this is total system power consumption being measured at the outlet and not the the individual power cnsumption of the motherboards alone.

The power consumption characteristics of each of the Z77 Express-based motherbaords we tested were quite different. The MSI Z77A-GD65 proved to consume the least amount of power of the bunch, under both idle and load conditions. Next came the Asus board, followed by Gigabyte's offering. Intel's DZ77A-70K consumed more power than all three, however. We've reached out to Intel in hopes of finding a clear answer as to why their board would consume more power than partner boards that have more intergrated peripherals (it's likely due to slight voltage differences), but haven't heard back just yet.

Our Summary and Conclusion

Performance Summary: All of the Z77 Express-based motherboards we tested offered similar performance overall, which is to be expected when using identical hardware (i.e. the same CPU, RAM, GPU, drives, and PSU) to power the boards. All of the Z77 Express-based boards also performed about on par with the Z68 Express. In terms of overall system performance, there's virtually nothing to differentiate the motherboards we tested from one another. Heck, they all even have the same black-and-blue color schemes, integrated POST code error reporters, power and reset switches, and passive cooling.

MSI Z77A-GD65: There may not be much in terms of performance separating the four Z77 Express-based motherboards we tested, but they do offer differing feature sets and are priced somewhat differently. The MSI Z77A-GD65 is the least expensive of the boards we tested. It carries and MSRP of $189, and while it may not have the same wealth of included connectivity options (like WiFi and Bluetooth) as some of the other boards, it does come with plenty for the vast majority of users and its accessory bundle is adequate. MSI has been ready with this motherboard for quite a while and have had it on the test bench for a number of weeks, and it has proven to be rock solid. The UEFI could use some optimization for better mouse responsiveness and we'd like to see the adjustable menus take up a larger part of the screen instead of the giant buttons, but those are minor quibbles. For the money, MSI has a very nice board on their hands with the MSI Z77A-GD65.

The MSI Z77A-GD65 Motherboard

Gigabyte Z77X-UD5H: According to Gigabyte, the Z77X-UD5H should be priced right around $200, which makes it the second most affordable in our round-up. It too lacks any included wireless connectivity options, but Gigabyte's board does have the most display output options should you plan to use the integrated graphics built into Intel's socket 1155 processors or want to take advantage of Lucid's Virtu for GPU virtualization. The Z77X-UD5H is also the only board with a built-in mSATA connector which is an interesting option for those thinking about leveraging Intel's Smart Response SSD caching technology. Gigabyte's "3D BIOS" UEFI could use some refinement, but all of the options most enthusiasts need are represented, and the motherboard was stable throughout testing. Overall, the Z77X-UD5H is another solid offering from Gigabyte.

Intel DZ77GA-70K: Our contact at Intel tells us the DZ77GA-70K should be priced in the $220 - $240 range. As you would probably expect from an Intel-built motherboard, the DZ77GA-70K leverages all of the features of the Z77 Express chipset, but it goes beyond them as well and includes Firewire, WiFi and Bluetooth as well. Intel has also done a really nice job with its Visual BIOS interface and we like that the board has features like diagnostic LED indicators (over and above the POST code error reporter) and dual Intel LAN controllers.

The Asus P8Z77-V Deluxe Motherboard

Asus P8Z77-V Deluxe: Asus has set the MSRP of the P8Z77-V Deluxe at $279, making it the most expensive board in our round-up. The P8Z77-V Deluxe's price premium is easily justified, however. The board includes more USB ports than the others, it includes WiFi and Bluetooth, an Intel LAN controller, it's Thunderbolt-ready, its UEFI is well laid out and offers extensive tweakability features. The board also includes a PLX PCIe switch, which offers all of its slots full PCIe connectivity. The Asus P8Z77-V Deluxe also proved to be perfectly stable throughout testing. In short, the Asus P8Z77-V Deluxe may be pricier than the rest, but if you've got the funds and want / need one or more of the board's features, we'd recommend it.

Picking a favorite amongst this crop of motherboards is difficult. We like the MSI motherboard's affordability and low power consumption. Gigabyte offers the most flexibly display output configuration, integrated mSATA port, and one of the lowest prices. The Intel DZ77GA-70K includes WiFi and Bluetooth, dual Intel Gigabit LAN, and a very nice (and easy to use) UEFI. And the Asus board is packed with features, some of which aren't available on the others. We also feel it's too early to pick an Editor's Choice for Z77 Express-based motherboards without having (officially) tested Ivy Bridge and seeing what else is coming down the pipeline. So at this point, we're going to give these four boards "Recommended" awards and leave it at that.

Asus P8Z77-V Deluxe
Intel DZ77GA-70K
Gigabyte Z77X-UD5H

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