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Item#: N82E16813128552

GIGABYTE G1 Gaming G1.Sniper 3 LGA 1155 Intel Z77 HDMI SATA 6Gb/s USB 3.0 Extended ATX Intel Motherboard

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  • Intel Z77
  • Core i7 / i5 / i3 (LGA1155)
  • DDR3 2666(OC)/1600/1333/1066

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews




A newest member of the GIGABYTE G1-Killer series of gaming motherboards, the GIGABYTE G1.Sniper 3 is redesigned from the ground up to outperform in every aspect. With precision fused into all areas of the motherboard's design, and a slew of attention to detail paid to the motherboards aesthetic qualities and to its technical prowess, the GIGABYTE G1.Sniper 3 is the ultimate killing gear that provides the winning edge in a close 3D gaming contest.


Equipped with the latest Intel Z77 Express Chipset, the G1.Sniper 3 motherboard harnesses the outstanding performance of the new 3rd generation Intel Core processors. With an exclusive 'All Digital' VRM design with 12 power phases, GIGABYTE 3D Power and GIGABYTE 3D BIOS (Dual UEFI), The G1.Sniper 3 motherboard ensures exceptional power delivery and absolute control.

  • newegg GIGABYTE All Digital Power Engine GIGABYTE Z77 series motherboards take advantage of an exclusive All Digital PWM controller array, to deliver power to the board's 3rd generation Intel Core processor. Using entirely digital controllers means that more precise power delivery to the motherboard's most power hungry and energy sensitive components is possible. These components include the CPU, VTT, processor graphics and memory, without doubt the most important components on your motherboard. This All Digital Power system, with Precise Auto Voltage Compensation, provides you with exceptional control over the component power delivery on your GIGABYTE 7 series motherboard. With digital controllers for the CPU (Vcore), VTT, processor graphics and memory (DDR), users can make real-time adjustments with the exclusive GIGABYTE 3D Power Utility, that include settings such as OVP (Over Voltage Protection), Load-line Calibration and on-the-fly PWM frequency adjustment.
  • newegg GIGABYTE Ultra Durable 4 & 12 Phase Power Design GIGABYTE Ultra Durable 4 motherboards embrace a range of exclusive technologies that guarantee DIY PC builders the absolute best protection for their PC, with built-in features that prevent common malfunction threats. GIGABYTE's cutting edge 12 phase power VRM design utilizes the highest caliber components to provide unadulterated, smooth power to the CPU. The innovative 12 phase power VRM has been designed and engineered to deliver fast transient response times through quick and seamless power delivery during extensive CPU loading variations. In addition, heat from the VRM is effectively reduced by spreading the load between the 12 power phases, resulting in a cooler, more stable platform.
  • newegg Exclusive Bluetooth 4.0/WiFi Expansion Card & Onboard mSATA Support The motherboard also includes an exclusive PCIe expansion card that offers support for the latest Bluetooth 4.0 and IEEE 802.11 a/b/g/n Wi-Fi connectivity. The Bluetooth 4.0 standard includes Smart Ready technology that is debuting on mobile devices including the Apple iPhone 4s. This means that transferring important content from your smart phone or tablet is easier and faster than ever. GIGABYTE 7 series motherboards feature an onboard mSATA slot allowing users to easily take advantage of advanced SSD-based technologies like Intel® Smart Response and Intel® Rapid Start. Mounting an affordable, low capacity mSATA SSD directly onto your motherboard can enhance your PC's performance with better overall desktop responsiveness, faster boot times and faster system resume from 'Suspend to Disk' and 'Standby' modes.
  • newegg Super Hearing Revolutionary Sound Core3D Audio and Voice chipset accelerates THX TruStudio Pro and CrystalVoice processing effects, drastically improving your gaming experience with faster frame rates, more immersive gaming audio, and crystal clear voice communication. A high capacity amplifier is built in to drive 150O loads, allowing gamers to enjoy a fuller range of dynamic sound with crisper details and less distortion when using high quality professional headphones. The amplifier also features wide band-width, low noise, high slew rate and low distortion, making it ideal for professional audio usage. In addition, 4 additional amplifiers are also equipped onboard for the center/sub woofer, rear speaker, side surround and line out. The highest quality Nichicon MUSE ES series and MW series Bi-Polarized audio capacitors are used at each channel layout, which deliver the highest quality sound resolution and sound expansion to create the most realistic sound effects for professional gamers.
  • newegg Super Shield The GIGABYTE G1.Sniper 3 features a brand new heatpipe that was designed to effectively spread the heat from the critical areas of the motherboard such as the CPU VRM zone and quickly dissipating it, allowing GIGABYTE G1.Sniper 3 motherboards remain cool, even when the battle heats up. Further helping to eliminate heat are the 5 strategically placed Smart Fan pin headers which allow for more precise control of system and CPU fans. Equipped with their own individual thermal sensors, the Smart Fans can be easily controlled via GIGABYTE's EasyTune 6 utility as well as in the BIOS.
  • newegg Super Sight The ability to see clearly through the fog of war can often tip the balance between the winning or losing force. That is why GIGABYTE has equipped the G1.Sniper 3 motherboard with 4-way CrossFireX and 4-way SLI support to offer utmost graphics flexibility and upgradeability. With multiple GPU support, GIGABYTE G1.Sniper 3 motherboard delivers maximum FPS (Frames Per Second), allowing gamers to see more clearly, aim faster, and move more quickly.

Learn more about the GIGABYTE G1.Sniper 3

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years
  • Read full details

Customer Reviews of the GIGABYTE G1.Sniper 3

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  • Damian A.
  • 2/20/2015 4:23:10 PM
  • Ownership: more than 1 year
  • Verified Owner

1 out of 5 eggsGarbage...utter garbage

Pros: Seemed like a decent board

Cons: I'd give this board a zero if I could. The first time one crapped out on me, I figured it must be user error, even though I couldn't think of anything I did that might have caused the problem. Second time around, and I've lost any ability to use and SSD, it's completely corrupted an HDD, causing me to lose years of data. I will never buy Gigabyte again.

0 out of 2 people found this review helpful. Did you? Yes No

4 out of 5 eggsFan Headers

Pros: I want to first mention that I did not buy this motherboard from NewEgg.
-Color Scheme
-Cpu over clock ability
-PLX Chip
-Awesome features

Feels like the 329.99 I paid was worth every penny besides the flaws in the cons.

Cons: This motherboard is questionable. The first one that I got from the computer store did not work. I installed it to my system the computer turned on for 2 seconds then died and the motherboard was totally gone.
I RMA'D it (Gigabytes customer service was 8/10)
When the new board arrived I installed it and it turned on. But I noticed two of my fans were spinning terribly slow. the LEDs were barely even lit. They were plugged into the two bottom fan headers. I tried to switch them around the different headers but no luck. I plugged them into the PSU molex connector and it was perfect. Also one of the USB 2.0 headers didn't work.
I almost feel like the motherboard isn't getting enough power through it overall. My GPU is getting okay FPS but not like the benchmarks online. I even tried a new PSU and no luck.
Besides that this is a good motherboard and I will RMA again and hopefully receive a perfect one.

Did you find this review helpful? Yes No

  • Wanda C.
  • 8/13/2013 10:11:25 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggs7 Months and Going Strong!

Pros: - Dual Ethernet controllers, with teaming!
- x16/x16 or x8/x8/x8/x8 PCIe 3 lanes for SLI and Crossfire!
- PCIe lanes divide separately for each x16 slot. Allowing x16/x8/x8.
- Entire I/O panel is USB 3.
- Two USB 3 headers.
- PS2 mouse/keyboard Compatibility.
- Overclocks like a champ.
- sata power adapter for extra stability in SLI and Crossfire.
- Post code reader.
- PCI slot.
- Comes with a great WiFi/Bluetooth card.

Cons: - More current drivers are not available on website.
- UEFI Bios completely inverts my Razer Death Adder 3.5G.
- Provided drivers can be unstable or dysfunctional.
- Colors of LEDs do not match the actual board's color scheme.
- Has not received BIOS updates in many months.
- First x16 PCIe slot is too close to the CPU to fit a PH-TC14PE with a Graphics Card.
- Only 2 USB 2 headers, which isn't much.
- Odd inclusion of 2 extra 1394 headers, a con since there's only two USB 2 headers.

Other Thoughts: This board's biggest problem for me is the completely inverted mouse in the BIOS screen. Otherwise, it's as close to the perfect Z77 board as you can get. It's clearly labelled, well laid out, bursting with incredible features, and has proven to be a solid and stable overclocking platform. This really is an excellent product.

My biggest complaint, however, is the difficulty of acquiring drivers for this beast. To put it simply, you'll need to scour the web for the newest drivers, Gigabyte doesn't have them. Right now there's an updated USB 3 driver available through Intel's website which fixed several device compatibility issues I was having. One of them in particular was an issue with properly identifying my Xbox 360 controller on USB 3 ports. There's a new rapid storage controller driver available as well, in addition to other drivers I'm sure I haven't stumbled across yet.

Also, while the Gigabyte website claims teaming in unavailable on the Ethernet ports, the newest Intel drivers (18.4 as of this review) fully support it. I'm using a load balancing team to write this very review. That's not all either, Gigabyte's e2200 driver for Windows 7 x64 is woefully out of date, and has many stability issues. Much newer drivers are available for this device on Killer's website, and are almost certainly a requirement just to stop BSODs and other connectivity problems.

However, once you figure out where to look for drivers this board really is something incredible to behold. It is easily one of the best boards of the Z77 lineup, and arguably one of the best boards for the 1155 socket. If Gigabyte's website would update to include the better drivers that are available, and if they ironed out the few kinks in the UEFI BIOS, the experience of owning this board would be much more enjoyable. As it stands though, Gigabyte has one thoroughly satisfied customer!

Rig Specs:

i7 3770K @ 4.5 GHz
G1.Sniper 3
G.SKILL Ripjaws Z Series 8GB (2 x 4GB) 2400MHz
EVGA GTX 680 FTW+ 4GB w/Backplate
EVGA GTX 560 Ti 448 Cores Classified Ultra
Western Digital Caviar Black 1TB 7200RPM HDD
1200w Thermaltake Toughpower Grand
Kraken x60
ASUS 24X DVD Burner
CM Storm Stryker

2 out of 2 people found this review helpful. Did you? Yes No

  • Mario D.
  • 7/19/2013 10:56:06 AM
  • Ownership: 1 month to 1 year

5 out of 5 eggsWifi/BlueTooth card

Pros: Great motherboard, has all the features you need, no need to purchase any additional cards like sound, wifi, or even bluetooth dongles.

Cons: doesn't make cofee

Other Thoughts: Great board overall, very well priced.

People that have reported you miss one USB 2.0 port when using the Bluetooth card, look closer. On the card there is a passthrough for your missing USB2.0 port, that is where you will plug your card readers- front USB2.0 headers. You do not use it, you have it on the bluetooth card.

Did you find this review helpful? Yes No

  • John F.
  • 6/30/2013 11:26:43 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsAwesome

Pros: I love this MB I owned the G1 assasin and it was great too, tons of features bios very easy to navigate, Let me explain something manufactures don't send none working components out to vendors you the buyer have to know what your doing when building a computer system do your homework to make sure all your components will work in harmony

Cons: To bad they stopped selling it

Other Thoughts: GIGABYTE G1 SNIPER 3 Z77MB
3770K @4.2 W/H100 COOLER
WD 2 TB 6.0 GB HD
ASUS PB278Q 2560 by 1440

0 out of 1 people found this review helpful. Did you? Yes No

  • Wells C.
  • 6/22/2013 11:20:21 PM
  • Ownership: more than 1 year
  • Verified Owner

1 out of 5 eggsTerrible Board

Pros: When It worked it was awesome......

Cons: Well I RMA'd this board about two times for an audio issue (keeps cutting in and out every few minutes) and each time Gigabyte has shipped it back without a word of what they did to supposedly fix it. My usb and analog headsets cut in and out which is very annoying while watching movies/videos/gaming.

Manufacturer Response:

Thank you for your comments. Honest and constructive opinions are always welcome. We apologize for your difficulty with your GIGABYTE product.

Your issue could either be a bad port jack on the motherboard or an issue with your audio device connector. Please try different audio device to verify the issue the motherboard or not. If you require further assistance, please contact us at with the case number 2013062501 in the subject line. We will provide personalized service and analysis to help solve your issue as soon as possible.

Please contact our Live Technical Support at 626-854-9338, option 3 if the matter is urgent.


Did you find this review helpful? Yes No

  • Kotee P.
  • 5/21/2013 12:14:06 AM
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsGood Motherboard, when it worked.

Pros: Tons of features
Easy to use bios
Best bang for the money

Cons: Had it for about two weeks and motherboard failed to boot and post. Spent extensive amount of time troubleshooting first by removing the other components and swapping it with known good ones. Still had the same issue. Computer would boot for a few seconds and then shut off. Then it would turn on, then shut off. This repeats until I turned off the power supply. If I remove all of the components and wait a few days, would work for about a week and then the same problem.
Kind of tired of this. I had a Gigabyte mobo in one of my previous builds and had nothing but trouble either. Should have gotten an ASUS ROG motherboard instead.

Other Thoughts: i7-3770k
Corsair H100
Corsair Vengeance RAM 16GB
EVGA GTX 680 4GB 3 Way SLI
Crucial SSD 128GB
Intel SSD 80GB
Western Digital 1TB Hard drive
Thermaltake 1200W PSU
3 Samsung P2450 24" LCD Monitors
AOC 27" LED Monitor
Windows 8 64 bit

Manufacturer Response:

Dear Customer,

Thank you for your comments. Honest and constructive opinions are always welcome. We apologize for your difficulty with your Gigabyte product.

Your described issue may be caused by:

1. Your LGA socket is damaged. Please carefully remove your processor, and inspect the pins. If no pins appear to be bent/damaged, reinstall following the Intel LGA socket guidelines.

2, Your BIOS settings are overly aggressive. You mention that your system would work for about a week, and then have the same problem. Try using the Optimized Default BIOS settings as a test. Run your system normally with these settings, and verify if this happens again.

3. Your power supply is failing. Your 3-way SLI configured system will put a heavy load on your power supply. Use a power supply tester, or use a spare power supply unit as a test.

If you require further assistance, please contact us at with the case number 2013052401 in the subject line. We will provide personalized service and analysis to help solve your issue as soon as possible.

Please contact our Live Technical Support at 626-854-9338, option 3 if the matter is urgent.


2 out of 2 people found this review helpful. Did you? Yes No

  • Joshua G.
  • 5/18/2013 11:06:41 PM
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsTo all the nay sayers

Pros: Ok I just wanna start out by saying I did a lot of research before buying this board and I'm glad I don't often follow the local reviews. This board is the best bang for your buck in my opinion. There are things that have to be done in process to get everything to work the way you expect it like flash BIOS and if you are like me have to have 2666 RAM you will need some 1333 to start it up with at the beginning. That may sound like cons to you but I found it relatively simple due to the research I did before hand. Also the BIOS is definitely one of the most adjustable user friendly setup's I've ever used. There were other 1 egg reviews about running SLI and its true you should first boot the internal graphics and then I did one card added at a time after windows install and driver installs. I currently am running 2 GTX 660's in SLI with no issues. So like I said do good research and thanks for the 1 egg reviews that helped me piece together what I needed to know to make my system WIN!!!!

MB-Gigabyte G1 Sniper3 Z77 LGA 1155
CPU-Intel core i7 3770k
Cooler-Zalman LQ-320 Liquid Cooler
Graphics-x2 Gigabyte GV-N660OC-2GD GTX 660
HDD-x2 500GB WD5000HHTZ 10K in RAID 0

Cons: Just takes a little more research than one would expect but when you are getting to the top of the line rigs you cant expect there not to be glitches.

1 out of 1 people found this review helpful. Did you? Yes No

  • Sarah P.
  • 5/9/2013 7:05:04 AM
  • Ownership: 1 week to 1 month
  • Verified Owner

1 out of 5 eggsAvoid: Fails to deliver

Pros: When it worked, it was ok. The BIOS could use some additional options (where are all the PCI-e options?)

Cons: DOES NOT work with 4 or more GPU's properly. The motherboard expects you to place 4 GPU's on the board itself, and they are about 1cm apart. When you run these under load, this creates a heat nightmare. My 7950's run at 5000RPM to stay at 85C while on the board, and I have a giant box fan pointing down at all of the cards! Thinking of using PCI-e 16x or 1x->16x risers? Think again! I tried all of the following combinations, ONE of which got the board to recognize all 4 GPU's (Sapphire 7950's, very good and solid cards). Oftentimes the board would hard lock as well. The only configuration that got all 4 cards recognized was having them all mounted on the board itself (but read on, this stopped working).

-4x "normal" PCI-e 16x risers: don't even think about this working. Hard lock city, if it ever boots, only 1-3 cards recognized.
-2x "normal" PCI-e 16x risers with other 2 GPU's on the board: Max. 3 GPU's recognized, lots of hard locks, unreliable boots
-2x "powered" PCI-e 16x risers (molex connector) with other 2 GPU's on the board: Max. 3 GPU's recognized
-1x "powered" PCI-e 16x riser, 1x "normal" PCI-e 1x->16x riser, other 2 GPU's on the board: Success! ... for about 12 hours. This is a bitcoin mining computer, obviously. The computer locked up after about 12 hours. Rebooted and only 3 GPU's were present. In frustration, I put all 4 GPU's back on the board where they HAD originally worked. From here I no longer can detect 4 GPU's, it's just stuck at 3.

This board has been a nightmare. If you are a heavy gamer that wants 4 GPU's or a bitcoin miner, AVOID AVOID AVOID this board. It's too expensive and DOES NOT WORK AS ADVERTISED. I had to put pressure on Newegg to take back this piece of junk and get a refund and not a replacement. They need to stop selling it. It has wasted a lot of hours of my life that I can't get back.

Other Thoughts: If you're a bitcoin miner, get an MSI board. I've read good things about them after my troubles with this board.

Manufacturer Response:

Thank you for your comments. Honest and constructive opinions are always welcome. We apologize for your difficulty with your Gigabyte product.

This product model has been validated for 4-way SLI or 4-way CrossfireX. I believe your problem was a failure to cool your entire system temperature thus causing your lockups. Please keep in mind that installing multiple graphics cards will generate additional heat to your overal system. You must provide adequate active cooling for your entire system. In addition, you must also provide enough power for your 4 graphics cards and entire system, which may also cause lockups. If you require further assistance, please contact us at with the case number 2013051002 in the subject line. We will provide personalized service and analysis to help solve your issue as soon as possible.

Please contact our Live Technical Support at 626-854-9338, option 3 if the matter is urgent.


1 out of 5 people found this review helpful. Did you? Yes No

  • Gregory H.
  • 5/9/2013 5:14:51 AM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsVery Nice

Pros: Loads of features for the price. I am glad that I was able to get one after it was discontinued for a while on Newegg.

Cons: none

Other Thoughts: I am still working with the many features on the board.

1 out of 2 people found this review helpful. Did you? Yes No

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