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Item#: N82E16814125386

GIGABYTE Radeon HD 6770 DirectX 11 GV-R677SL-1GD 1GB 128-Bit GDDR5 PCI Express 2.1 x16 HDCP Ready CrossFireX Support Video Card

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  • 1GB 128-Bit GDDR5
  • Core Clock 850 MHz
  • 1 x DVI 1 x HDMI 1 x DisplayPort
  • 800 Stream Processors
  • PCI Express 2.1 x16

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

Silent doesn't always mean compromised performance, when it comes to GIGABYTE GV-R677SL-1GD card.

An addition the GIGABYTE silent series, this VGA card features sophisticated passive cooling design to take down heat generation in various situations, from idle mode to high load condition. Silent-Cell Cooling technology harnesses dense crimping layered fins with premium heatpipe and aluminum node achieving effective and efficient heat dissipation you can rely on. Ultra Durable design employs the first class components to deliver better cooling capability, enhanced overclocking capability and reduced power switching loss.

Cutting edge architecture with 800 Stream Processors and 1GB 128-bit DDR5 memory delivers exceptional graphics power for smooth gameplay and high quality HD video playback. A host of AMD technology such as AMD EyeSpeed, AMD HD3D, Crossfire and UVD (Unified Video Decoder) offers more than one way to boost your experience.

  • newegg Ultra Durable VGA Ultra Durable VGA card provides dramatic cooling effect on lowering both GPU and memory temperature by doubling the copper inner layer of PCB, resulting in 5% to 10% lower GPU temperature. Ultra Durable VGA card reduces voltage ripples in normal and transient state, thus effectively lowers noises and achieves 10% to 30% increase in overclocking capability. Ultra Durable VGA board allows more bandwidth for electron passage and reduces circuit impedance. The less circuit impedance, the more stable flow of current which can effectively improve power efficiency, lowering power switching loss by 10% to 30%.
  • newegg Silent Cell GIGABYTE rewrites the history of silent cooling to perfect the thermal performance, introducing the state-of-the-art Silent-Cell Cooling Technology which adopts a series of crimping layered fins with Aluminum nodes. This innovative design delivers lowest thermal resistance between heat pipe and fins with 602% upgrade of surface area. The cell-division architecture amplifies natural convection, while crimping layered fins with aluminum nodes that feature the all-new zero-interval precision process ensure high efficiency heat transfer.
  • newegg Gold plated HDMI Gold plated, durable large contact area connectors have been used for optimum signal transfer between connections.
  • newegg AMD Eyefinity Supporting multiple independent display outputs simultaneously, AMD Eyefinity technology delivers innovative graphics display capabilities enabling massive desktop workspaces and ultra-immersive visual environments for the ultimate panoramic computing experience.
  • newegg AMD EyeSpeed Technology With AMD Accelerated Parallel Processing (APP) technology and third-generation UVD (Unified Video Decoder) dedicated video playback accelerator, enjoy beautifully rich and clear video playback when streaming from the web. Take in your favorite movies in stunning, stutter-free HD quality. Run multiple applications smoothly at maximum speed. Enjoy lightning fast game play and realistic physics effects with enhanced Video Quality features such as advanced post-processing and scaling, dynamic contrast enhancement and color correction, and independent video gamma control.
  • newegg AMD CrossFireX Multi-GPU Technology AMD CrossFireX is the ultimate multi-GPU performance gaming platform, enabling two or more discrete graphics processors to work together for boosted system performance and a breakthrough gaming experience.

Learn more about the GIGABYTE GV-R677SL-1GD

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 GV-R677SL-1GD

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  • Jason S.
  • 1/22/2013 6:51:12 AM
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsGREAT GPU!

Pros: GREAT GPU, best passive GPU design i have used, runs cool!

Cons: none

Did you find this review helpful? Yes No

  • Michael B.
  • 1/20/2012 9:12:23 AM
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsMaking a believer out of a skeptic

Pros: Silent, well-built, effective, looks totally awesome

Cons: A bit large even for a mid-ATX tower. 10.8" long means I had to buy mounting brackets for my hard drives to slot into my 5.25 bays since this card would have easily backed right up to the edge of the HDD mounting area leaving no room for the actual drive or any connections

Other Thoughts: Even though I spent an extra $15 on brackets, I'm very pleasantly surprised with this card. It boasts much more gaming power for the price than my old 5770 Juniper and does so whilst completely silent. I'm no longer having to boost my bass on my speakers just to cover the unmistakable hum of a GPU fan working really hard. I wasn't too sure about a fan-less GPU - even if it is 2 series behind the top of the line ... this card has made me a resolute believer.

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

  • Kyle C.
  • 1/17/2012 4:54:53 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggs

Pros: The obvious: performs like a champ, completely silent, looks seriously industrial. Received it at work and it made quite a stir among the geeks.

Cons: The Gigabyte label is upside down when viewed through the window of my Antec case. Apart from that, being huge would be a con if it didn't look so good doing it.

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

  • Dennis P.
  • 12/6/2011 11:25:52 AM
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggs

Pros: love the card

Cons: don't buy for DIRT3
was on item as available when I ordered 11/7
called about it and was told didn't become available till 3 days after I ordered it

thanks for the CHRISTMAS gift !!!!!!!!!!!!!

1 out of 3 people found this review helpful. Did you? Yes No

  • Eric J.
  • 11/15/2011 1:39:38 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

3 out of 5 eggsMixed

Pros: Quiet, fairly cool.

Cons: Long - I had to remove a hard drive to make space for this card. My case is an Antec P183 (a relatively roomy case).

Refresh problems - running Windows 7 64-bit on ASUS Z8NA-D6C (dual Xeon 2.4 GHz 12GB). When displaying the file system explorer during a SAVE or OPEN operation from various software packages, segments of the file system window are blank. If you try enough times (SAVE or OPEN operations), you'll finally get a usable window. Annoying. Almost like a double-buffer or z-plane issue.

I was finally annoyed enough that I thought I should look for software upgrades. Although my drivers were current, I saw an upgrade for the Catalyst software. So I installed that upgrade. Two side effects: (1) my background images shrank with black borders around them (can't make them full size), but the mouse is recognized throughout the black borders, except... (2) on my primary screen, there is an additional black border on the right side that is lost screen real estate.

Other Thoughts: An earlier review points to having the same problem with the black border. There was some suspicion that it was the monitor. Given my experience, where there was no border and no problems with the background (but I had other problems), the monitor was not the issue. It's when I upgraded Catalyst (rev 881) that I developed the same border problem.

My double-buffer / z-plane problem seems to be resolved with the Catalyst upgrade. But the loss of screen real estate and the lack of a nice background are now really annoying. Overall this was a functional step forward, but two aesthetic steps backwards.

Not a lot of choices for fanless GPUs that are multi-headed and have some decent graphics horsepower. I'm going to suck it up for now, but have my eye out for a new graphics card. Maybe Gigabyte / ATI can fix this sooner than later?

3 out of 3 people found this review helpful. Did you? Yes No

  • Eric J.
  • 11/8/2011 3:09:20 AM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsVery Happy

Pros: Noiseless
Plays all games I've tried including the Dirt3 that came with it excellent.

Cons: Power Color makes a passive 6850 I would have bought had I known at the time.

Other Thoughts: I am knew to video games but I knew that I did not want to hear a card fan and other cooling fans that I've heard on other peoples machines. Also I did have a pc in the past that I upgraded with a graphics card with a fan that died after two years and ended up using the onboard vga. This hopefully will last until the rest of my machine is outdated.
Measure before you buy, I had to do a little case modification to a brand new HP Pavillion but it still looks right at home in my office.

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

  • Neil S.
  • 10/25/2011 10:07:42 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGreat card

Pros: Very good frame rates , plays all games well . Does not get hot , 48c max, and silent .

Cons: a bit large , make sure you have a big case

Other Thoughts: Gigabyte does it again , have a 5750 in another case , this one is a few steps up in gaming .

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

  • Anonymous
  • 8/20/2011 8:30:26 PM
  • Ownership: 1 week to 1 month

5 out of 5 eggsBest Passive Cooling Card

Pros: Passive cooling technology, Noiseless
I play Assassin creed II on full settings with this card, It's pretty powerful and reliable.
No BSOD so far, works quite well on windows 7 x64.

Cons: The size, I could hardly fit it into my ATX case, It's now almost attached to the back of my hard drive.

Other Thoughts: Get this card if you have a big enough tower to place it in. Never ever had I seen such a huge Graphic Card in my life.

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

  • Phil U.
  • 8/18/2011 6:25:20 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsBig - Lot's of cooling fins - needs airflow

Pros: After a squeezed this into my mid-sized tower it performs well.

Cons: None.

Other Thoughts: I did something unathodox. I mounted a 120mm quiet case fan to the side of this card and used cable ties to hold it in place. I have the fan connected to my variable fan controller and adjusted the fan run at the lowest speed required to hold the card a lot temps.

I mounted the fan so I could use this card to run DCNET GPU based grid jobs - that's 98% use 24 hours a day - it runs at 58c loaded and 38c idle.

The machine is in my bedroom and near silent.

7 out of 7 people found this review helpful. Did you? Yes No

  • mike k.
  • 8/12/2011 12:49:10 AM
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsNo noise

Pros: Quiet. UltraDurable PCB. Quality components. My goal was to have decent graphics performance without the fan noise. I set this up in Crossfire with its predecessor (Silent Cell HD5770) with no problem and went from 18fps using the FurMark burn in test to 34fps average.

Cons: Runs hot in Crossfire due to restricted airflow through heatsink which is sandwiched between both PCB's. Temperature during burn in test jumped from low 70's to 94C. The 2nd card with the heatsink exposed ran in the low to mid 70's. Tried Eyefinity which was great but the HDMI output scaling was incorrect and could not be adjusted in Catalyst Control center. AMD technical support believes the monitor could be to blame but either way, there was no solution. Eyefinity doesn't work so great when one of the display images is shrunk with an extra 1" black border.

Other Thoughts: The monitors used for Eyefinity setup were 3 x ASUS VE258q. Displayport and DVI were fine.

I was able to confirm that the monitor was the likely culprit when I connected the HDMI to a Samsung 245BW and the image filled the screen. Not sure if the Samsung's native 1900 x 1200 resolution is what it prefers vs the 1900 x 1080 of the ASUS. I will hopefully resolve these issues by removing the 5770 and crossfiring the 6770 with another 6770 with more DVI outputs and a fan for the main card.

This card runs fine on its own in a case with good airflow but if you want to set up Crossfire, connect it to a smaller 6770/5770 so the heatsink is not completely covered by another hot PCB.

6 out of 6 people found this review helpful. Did you? Yes No

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Item#: N82E16814125386
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