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GIGABYTE GV-N660OC-2GD G-SYNC Support GeForce GTX 660 2GB 192-Bit GDDR5 PCI Express 3.0 x16 HDCP Ready SLI Support Video Card

  • 960 CUDA Cores
  • 2GB 192-Bit GDDR5
  • PCI Express 3.0 x16
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  • Powered by NVIDIA GeForce GTX 660 GPU
  • Integrated with the first 2048MB GDDR5 memory and 192-bit memory interface
  • Features Dual-link DVI-I / DVI-D / HDMI / DisplayPort
  • Core Clock: Base / Boost clock: 1033 / 1098MHz
  • Support PCI Express 3.0 x 16 bus interface
  • Support NVIDIA 3D Vision™ Surround and SLI technologies
  • Support NVIDIA® CUDA™ Technology
  • Support NVIDIA® PhysX™ Technology
  • Support NVIDIA® FXAA / TXAA Technology
  • Support NVIDIA® Adaptive Vertical Sync Technology
  • System power supply requirement: 450W

Ultra Durable 2

Using high quality components on graphics cards is the key factor for having a long lasting, stable and reliable product. GIGABYTE is again setting a new standard by using Ferrite Core Chokes, Low RDS (on) MOSFET and Lower ESR Solid Capacitors, providing the stability and reliability from their high-end graphics solution. In addition, GIGABYTE Ultra Durable 2 Edition graphics cards now feature a sophisticated layout topology. This state-of-the-art power design from GIGABYTE delivers the ideal integration of thermal performance, electric characteristics, digital signals, power circuitry, and optimum placement of components for enhanced graphics performance.

  • Ultra Cooling - Low RDS (on) MOSFET Design
  • Low Power Loss - Ferrite Core Choke Design
  • Longer Life - All-Solid Capacitor Design

Gold Plated HDMI

Gold plated, durable, large contact area connectors have been used for optimum signal transfer between connections.


WindForce 2X Anti-Turbulence-Parallel Inclined

WINDFORCE™ double parallel-inclined fin design is equipped with two ultra quiet PWM fans and two copper heat pipes to enlarge the air channel on the graphics card vents and create a more effective airflow system in the chassis.



Brand-new instinctive interface is easier to monitor and adjust important settings. Set up MONITORING, GPU CLOCK, MEMORY CLOCK, FAN, GPU VOLTAGE, Memory VOLTAGE, OSD, ONLINE SUPPORT, and update drivers and BIOS directly.


PhysX Technology

NVIDIA® PhysX™ is the next big thing in gaming! Delivering physics in games is no easy task. It's an extremely compute-intensive environment based on a unique set of physics algorithms that require tremendous amounts of simultaneous mathematical and logical calculations. The best way to get real-time physics, such as explosions that cause dust and debris, characters with life-like motion, or cloth that drapes and tears naturally, is with an NVIDIA® PhysX™-ready GeForce® processor. PhysX software is widely adopted by over 150 games, is loved by more than 10,000 registered users, and is supported on Sony Playstation 3, Microsoft Xbox 360, Nintendo Wii and PCs. PhysX™ technology will take your gaming to a whole new level.


CUDA Technology

NVIDIA® CUDA™ technology unlocks the power of the hundreds of cores in your NVIDIA® GeForce® graphics processor (GPU) to accelerate some of the most performance hungry computing applications. CUDA™ technology is already adopted by thousands of programers to speed up those performance hungry computing applications.


SLI™ Technology

Delivers up to twice the performance of a single GPU configuration for unparalleled gaming experiences by allowing two graphics cards to run in parallel. A must-have feature for performance PCI Express graphics, the SLI dramatically improves performance on 60 top PC games.


NVIDIA® 3D Vision™

NVIDIA® 3D Vision™ brings a fully immersive stereoscopic 3D experience to the PC. A combination of high-tech wireless glasses and advanced software 3D Vision transforms hundreds of PC games into full stereoscopic 3D. You can even watch 3D movies and view 3D digital photographs in crystal-clear quality.


Microsoft Windows 7

Microsoft Windows 7 is a next-generation operating system that will mark a dramatic improvement in the way the OS takes advantage of the graphics processing unit (GPU) to provide a more compelling experience. By taking advantage of the GPU for both graphics and computing, Windows 7 will not only make today's PCs more visual and more interactive but also ensure that they have the speed and responsiveness customers crave.


RoHS Compliant

As a citizen of the global village, we at GIGABYTE exert ourselves to pioneer environmental care. We give the whole Earth a promise that our products do not contain any of the restricted substances in concentrations and applications banned by the RoHS Directive, and are capable of being worked on at the higher temperatures required for lead free solder. GIGABYTE cares!

  • * All materials provided herein are for reference only. GIGABYTE reserves the right to modify or revise the content at any time without prior notice.
  • * Advertised performance is based on maximum theoretical interface values from respective chipset vendors or organizations which defined the interface specification. Actual performance may vary by system configuration.
  • * All trademarks and logos are the properties of their respective holders.
  • * Due to standard PC architecture, a certain amount of memory is reserved for system usage and therefore the actual memory size is less than the stated amount.


Learn more about the GIGABYTE GV-N660OC-2GD

Quick Info


  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years

Customer Reviews of the GIGABYTE GV-N660OC-2GD

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  • Daniel C.
  • 8/3/2014 4:38:45 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsGreat Price, Excellent performance

Pros: Where to begin, this graphics card is one of the best options out there for consumers who want great performance at low cost. The graphics card has two fans that keep it very cool. and the best part is that this graphics card is not noisy at all. the fps are great in some of the most demanding games like crysis 3. without breaking a sweat. It even holds up to 4 monitors. This card has lots of power. So what else could you posibly want? reazonable price, great performance, quiet and low temperatures with high frames per second.

Cons: Absolutely none.

Other Thoughts: One of the best I've seen so far.

Did you find this review helpful? Yes No

  • Ransom P.
  • 7/28/2014 8:50:35 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsBuzzy Fan, Now Fixed

Pros: Excellent Performance for the price, especially in SLI

Cons: Had the buzzy fan issue with one of the two I got, fixed it by loosening and then tightening the six (2x3) screws holding the fans on. All quiet now.

Did you find this review helpful? Yes No

  • Christopher B.
  • 7/28/2014 4:22:33 PM
  • Tech Level: Somewhat Low
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsGood for cost

Pros: Cool, effective and cheap.

Cons: Its now the nosiest thing in my PC, they could have lowered the fans speed and be still cool enough.

Other Thoughts: For its cost its an awesome card, you are not going to run games at highest resolution at 60 FPS but be honest its a good card and great entry PC game card.

Did you find this review helpful? Yes No

  • D N.
  • 7/28/2014 2:28:26 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

2 out of 5 eggsDOA

Pros: Fancy paperweight

Cons: Got it DOA, but since I didn't actually start the build til I had everything and whatever I couldn't return it.
Everything was plugged in and the fans were turning, but no go. Nvidia drivers didn't recognize, couldn't connect my monitors to it, etc. Went with the EVGA 660, it looks way better and actually works.

Manufacturer Response:

Dear Customer,

Thank you for your comments. We apologize for your difficulty with your GIGABYTE product. Please contact us at with the case number 112330 in the e-mail subject line. We will provide personalized service and analysis to help solve your issue ASAP. If the matter is urgent, please send us your contact number, and we will contact you.


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

  • Vance M.
  • 6/12/2014 1:52:19 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsGreat Great

Pros: Been using it to run Star Citizen hangar and dogfighting module on an i7 920. Runs great. Some people with better GPUs complain to have worse performance than I am with this.

Cons: None performance wise

Other Thoughts: I think the price is a little high for the level this card is.

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

  • Steven M.
  • 6/5/2014 5:28:41 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggslove it

Pros: Running for over a year, no problems what-so-ever.

Cons: None

Did you find this review helpful? Yes No

  • Robin R.
  • 5/16/2014 9:30:27 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsLove this card

Pros: Better than my old one

Cons: none so far

Did you find this review helpful? Yes No

  • guy c.
  • 5/6/2014 4:58:45 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsexellent

Pros: very good, go for it ratio quality/price is exellent

Cons: nothing!

Did you find this review helpful? Yes No

  • Diane W.
  • 5/3/2014 2:21:36 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsVery cold

Pros: This thing runs very very icy lol. Most games looks really nice but this card can not max out every games graphical settings.

Cons: No cons

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

  • Zach K.
  • 4/18/2014 12:32:22 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsAll of My Yes

Pros: -I can run ALL of my Games on Ultra. Skyrim I have 4K texture mods, graphic mods, etc, etc, point is it is beautiful and my average frame-rate is 100-125fps

-Got it when it came with Metro: Last Light and on ultra, that game has better graphics than real life.

-The Giant fans work wonders keeping it cool. (I also have the NZXT Phantom which helps with the cooling)

-Fast, clean, big and beautiful.

-I can run my 3 monitors in Spanning mode and it is amazing. (Middle Monitor is HDMI to DVI with a HDMI to DVI Adapter)

-As a graphics artist and motion graphics artist, this is a beautiful card for people starting to get into the craft seriously. This and the AMD I mentioned earlier, I took down video rendering times to half if not more of my previous computer.

Cons: Only one major complaint:
I am not sure if this is the nVidia driver's fault or just the configuration of the card, but in order to update the driver while in spanning mode, the display crashes. So you have to disable Span and update, which could reset or mess up any specific desktop icon/widgets configurations you may have. I use rainmeter widgets across all 3 monitors, but I could easily exit out of it, update, and restart. The only real problem here is icon and wallpaper configurations.

Other Thoughts: OC'd with an AMD Zambezi 8-Core (OC'd to 3.8GHz), your games will get 100+fps. The only games where it "struggled" was the Crysis series, and Assassin's Creed 3 and 4 but event those got roughly 40 to 60fps which I am happy with.

I am also

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

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