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GIGABYTE GeForce GTX 660 Ti OC 1032MHZ 2GB 6.0GHZ GDDR5 2XDVI HDMI DisplayPort PCI-E Video Card

GIGABYTE GeForce GTX 660 Ti OC 1032MHZ 2GB 6.0GHZ GDDR5 2XDVI HDMI DisplayPort PCI-E Video Card - 1
Actual product may not be exactly as shown.
GIGABYTE GeForce GTX 660 Ti OC 1032MHZ 2GB 6.0GHZ GDDR5 2XDVI HDMI DisplayPort PCI-E Video Card - 75183_l.jpg GIGABYTE GeForce GTX 660 Ti OC 1032MHZ 2GB 6.0GHZ GDDR5 2XDVI HDMI DisplayPort PCI-E Video Card - 75183_1.jpg GIGABYTE GeForce GTX 660 Ti OC 1032MHZ 2GB 6.0GHZ GDDR5 2XDVI HDMI DisplayPort PCI-E Video Card - 75183_2.jpg Customer Photos (0)

Reg. Price: $309.99  CAD
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   Shipping Weight:   3 lbs
   Part #: GV-N66TOC-2GD
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Features    [ Edit | History ]
Quick Specs:
Host Interface PCI Express 3.0 x16
Platform Supported PC
Standard Memory 2 GB
Thickness 1.7"
API Supported DirectX 11.0 OpenGL 4.3
Form Factor Plug-in Card
Length 10.5"
Memory Speed 6008 MHz
Maximum Resolution 2560 x 1600
Cooler Type Fan Cooler
Memory Technology GDDR5 SDRAM
Height 5.4"
HDCP Supported Yes
Bus Width 192 bit
Multi-GPU Technology SLI
RAMDAC Speed 400 MHz
Analog Signal Yes
Digital Signal Yes
Number of Monitors Supported 4
Dual Link DVI Supported Yes
Chipset Manufacturer NVIDIA
Chipset Model GTX 660 Ti
Chipset Line GeForce
Chipset Series GTX 600
DisplayPort Yes
Number of DisplayPort Outputs 1
Number of DVI Outputs 2
Number of HDMI Outputs 1
GPU Clock 1.03 GHz

Specifications    [ Edit | History ]
General Information  
     Brand Name: Gigabyte
     Manufacturer: GIGABYTE Technology, Inc
     Manufacturer Part Number: GV-N66TOC-2GD
     Manufacturer Website Address:
     Product Model: GV-N66TOC-2GD
     Product Name: GV-N66TOC-2GD GeForce GTX 660 Ti Graphic Card
     Product Type: Graphic Card
     DisplayPort: Yes
     Dual Link DVI Supported: Yes
     DVI: Yes
     HDMI: Yes
     Host Interface: PCI Express 3.0 x16
     Number of DisplayPort Outputs: 1
     Number of DVI Outputs: 2
     Number of HDMI Outputs: 1
     Bus Width: 192 bit
     Memory Speed: 6008 MHz
     Memory Technology: GDDR5 SDRAM
     Standard Memory: 2 GB

Gaming Consoles:

  • Sony Playstation 3
  • Microsoft Xbox 360
  • Nintendo Wii

     Platform Supported: PC
     System Requirements:
  • System power supply requirement: 450W
  • Operating System(s): Windows 7

Physical Characteristics  
     Cooler Type: Fan Cooler
     Form Factor: Plug-in Card
     Height: 5.4" (137 mm)
     Length: 10.5" (266 mm)
     Thickness: 1.7" (42 mm)
Processor & Chipset  
     Chipset Line: GeForce
     Chipset Manufacturer: NVIDIA
     Chipset Model: GTX 660 Ti
     Chipset Series: GTX 600
     GPU Clock: 1.03 GHz
     Number of Stream Processors: 1344
Technical Information  
     Analog Signal: Yes
     API Supported: DirectX 11.0
OpenGL 4.3
     Digital Signal: Yes
     Features: 3D Vision Ready
3D Vision Surround Ready
CUDA Technology
Adaptive Vertical Sync
FXAA Technology
TXAA Technology
NVIDIA Surround
GPU Boost
Triangle Cool Technology
     HDCP Supported: Yes
     Maximum Resolution: 2560 x 1600
     Multi-GPU Technology: SLI
     Number of Monitors Supported: 4
     RAMDAC Speed: 400 MHz

Gigabyte GV-N66TOC-2GD Customer Reviews

Product reviews on are screened for relevance and inappropriate content. Reviews may contain inaccurate information about the product. If there is a discrepancy, please use the Flag this Review link located beside each review. Reviews are not an endorsement expressed by, but opinions from customers based on their own experience with a product. We do not recommend you make purchasing decisions based on facts or opinions expressed regarding Gigabyte GV-N66TOC-2GD reviews.
Experience: 1 Years
Great card for the price, Good cooler
I have been using this card now for about a year and I have had no issues with it. In my opinion this is possibly one of the best aftermarket coolers that you can get for a graphics card.

Experience: 5 Months
 Verified Owner
Great card when it works.
Always cool even under heavy load with hot (30 deg c) ambient temps.
Handles most games at high to ultra settings.
And then the crashes. Lots at first (event 4101 driver blahblahblah) then after adaptive v-sync and newer (320.18 +) drivers worked very well. only 1 crash every week thereabout.
A few instances of artifacts (< 10 so far).
Just over 4 months to receive gigabyte mir.
I tried many many many ways of diagnosing the crashes, and many other (albeit older) gpu's both team green and team red and i couldn't crash any of them. After i got all the crashing under control this card works well. But as soon as the core hits 1188mhz (gpu boost, not any oc by me) crash. But if I underclock by 10-15 mhz on the core (afterburner) it runs 99% flawlessly. Alas, tonight just playing sc2 good ol' crash. If not for this major flaw would've given it 5 stars ez pz, as is 3 is rounded up from's better than 2 but it's not a 3.

Experience: 1 Weeks
 Verified Owner
quiet, runs cool, performs
none so far
F*** 60$ off a week after I purchased it...oh well, the card itself is good, but if you're considering this card might as well get a gtx 760 instead

Experience: 2 Months
 Verified Owner
Great performance when it isn't crashing.
The overclock seems unstable. Getting quite a lot of GPU crashes while gaming (Win 7). GPU crashes are happening under linux as well running CUDA apps.
Strange groan noise sometimes under load, not fan related.
No Canadian RMA address for Gigabyte.
When it works for a while, and I temporarily forget about the GPU crashes, the performance is fantastic.
I could live with the odd noise I get sometimes under load, but the instability isn't acceptable.
I'm glad it has a 3 year warranty, unfortunately having to ship it to a US address means extra cost in both directions. (Yes, Gigabyte covers the return shipping... but UPS will still charge me international brokerage)

Experience: 3 Weeks
 Verified Owner
- Price
- Performance
- Can overclock memory clock speed further (stable at 475 mhz OC)
- Operates at below 70 degrees under full load (20 degrees room)
- slight rattling sound on some occasions due to the fan vibration.
- could not overclock the core clock speed without changing the voltage.
Simply amazing performance for the price you pay.

Experience: 3 Weeks
 Verified Owner
Awesome performance nice program to overclock and monitor the card
Little noisy when fans kick up
I bought this card for an upgrade to a gtx 460 and it is a much better performer allowing me to almost boost all settings to ultra in my games and would like to hook up in SLI in near future they are not pretty but work very well

Experience: 1 Months
 Verified Owner
free game + a MIR
best bang for the buck, a great product for people that seek for good game image quality.

Blair P
Experience: 3 Weeks
Good price, fast card
bought the card 3 weeks ago, for the price its a very good card, but 670's are reaching the same price so might as well step up to one of those.

Experience: 3 Days
stays cool
fan bearing is making a weird noise when i turn the manual fan control on medium but it doesnt do it on low or high
Good card for the price , problems after 3 days would buy the gtx 660 ti oc but not from gigabyte i would got with MSI PE instead

Experience: 3 Months
 Verified Owner
beast performance, one of the best price/performance cards available
overclock not entirely stable
This card has incredible performance, but I've been getting some weird crashes in Crysis 2, Dead Space 3, and Far Cry 3. After reading some Crysis 2 forums, this can be caused by factory overclocked cards not being entirely stable. The solution is to lower the clock speed or increase the voltage. After doing so, the crashes in Crysis 2 and Dead Space 3 stopped. Haven't tried the fix on Far Cry 3 yet. Excellent card, spectacular performance; just wish Gigabyte had put a bit more effort into making sure the overclock was stable before shipping.

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Messages about GIGABYTE GeForce GTX 660 Ti OC 1032MHZ 2GB 6.0GHZ GDDR5 2XDVI HDMI DisplayPort PCI-E Video Card

BFG 280gtx upgrade (Gary Coleman- Apr 29, 13, 6 Replies) Read this message
Should I apply aftermarket thermal paste for GPU (AzNightmare- Dec 16, 12, 12 Replies) Read this message

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Reviews from the Web

Below are reviews found on other web sites for this product submitted by customers.

Comment: Detailed review of the Gigabyte 660 ti
Posted by: Sigma520 @03/23/13
Comment: a blazing clock speed of 1,033MHz makes this one of the fastest GeForce GTX 660 Ti graphics cards that money can buy
Posted by: dnl4ever @12/03/12
Comment: Excellent performance and price for gamers not wanting to compromise performance for affordability.
Posted by: dnl4ever @12/03/12
Comment: Gigabyte has an outstanding offering with the GeForce GTX 660 Ti WindForce OC. It's factory overclocked, customized and custom cooled.
Posted by: dnl4ever @12/03/12
Comment: the WindForce 2X cooler has been pulled off an existing GTX 670 design and planted on the new, shorter 660 Ti PCB
Posted by: dnl4ever @12/03/12
Comment: the factory overclocked GeForce 660 Ti will run as fast as and maybe even faster then a GeForce GTX 670 (reference clocked)
Posted by: dnl4ever @12/03/12
Comment: The GTX 660 Ti is a strong card out of the box and the GIGABYTE variant is excellent with memory clocking that is tough to beat along with an amazing cooler. For this it receives the Bjorn3D Silver Bear Award.
Posted by: Babaghan @08/18/12
Submit a review link   |   Latest 30 reviews
Product Warranty
First 30 days limited warranty through The remainder of the 3 year warranty is provided directly by the manufacturer.

Currently Gigabyte accepts end users’ requests on RMA service.
Motherboards, Video cards, servers and Rackmount server boards carry three years limited warranty.

Warranty Effective On Date of Manufacture

Gigabyte determines warranty based on the manufacture date. The manufacture date can be verified by the serial number found on the product. The first four digits after "SN" determine the year and week of manufacturing date. For example:

"01)04719331729028(21) SN0213030585" represents the 13th week of 2002

RMA Request Procedures and Guidelines

  • All RMA request forms must be completed in order to obtain a RMA number

  • RMA request with missing or incorrect serial number(s) may result in a delayed process or a rejection of request

  • Any model discrepancy for received items may result in a delayed processing timeProducts received with no RMA number may delay processing or refusal
    (Gigabyte will not be responsible for items received without proper information)
  • No cross shipping or advanced replacements under any circumstances

  • Products will either be repaired or replaced at our discretion

  • Replacements may include new or refurbished products
    (Replacements will be for the exact or equivalent product)
  • Average turnaround time will be 2-3 business working weeks upon receipt (applies to quantities not exceeding 20 pieces)
  • If the information on your request varies from the actual item(s) received, RMA will be based on the actual item(s) received
  • RMA numbers will be valid for 30 days after issued date
  • Gigabyte will provide one way freight via UPS or FedEx ground free of charge
  • For consecutive violation for No Trouble Found (NTF), a testing fee per NTF board or system may apply.

Warranty Period by Product

  • Motherboards
    • All motherboards carry a 3 year limited warranty (First 2 years parts & labor, 3rd year parts only)
  • Graphic Accelerator Cards (VGA)
    • All graphic cards carry a 3 year limited warranty (First 2 years parts & labor, 3rd year parts only)
  • Servers(Server Boards/Barebone Server System)
    • Server Boards carry a 3 years limited warranty (First 2 years parts & labor, 3rd year labor only)   
    • Rackmount server boards carry a 3 year limited warranty (First 2 years parts and labor, 3rd year labor only)
    • Rackmount components carry a 2 year limited warranty
  • PC Barebones System
    • Motherboards assembled with barebones systems carry a 3 years limited warranty (1st year parts & labor, 2nd and 3rd year labor only)
      * Gigabyte shall provide the fees/charges for parts upon testing of motherboards in their 2nd and 3rd year of warranty
  • Peripherals (Coolers, Keyboards, Mouse, Optical Devices, etc.)
    • All peripherals carry a 1 year limited warranty
  • Notebook
    • All notebooks carry a 1 year limited warranty
  • Wireless and Networking Products
    • All wireless and networking products carry a 1 year limited warranty

Please register at your RMA account!

Sales Policy

All pricing subject to change. For all prices, products and offers, reserves the right to make adjustments due to changing market conditions, product discontinuation, manufacturer price changes, errors in advertisements and other extenuating circumstances. Promotional offers from are subject to availability and are available only while supplies last. No rain checks will be issued on promotional items and offers.

While uses all reasonable efforts to include accurate and up-to-date information on the Site, makes no warranties or representations as to the Site's accuracy. assumes no liability or responsibility for any errors or omissions in the content on the Site. warrants product(s) to be in good working condition and free from defects in material and workmanship for a period of one (1) year for OEM packages, and for thirty (30) days for RETAIL packages, from the original Invoice date unless otherwise restricted below or by the manufacturer's own warranty policy. Defective returns and warranty service will be replaced, exchanged or repaired at's sole discretion, and based on vendor's policy.

NON-DEFECTIVE merchandise returns may be accepted on some items ONLY within 15 days of the Invoice date, at's discretion. All NON-DEFECTIVE returns are subject to a 15% restocking fee. No refunds will be issued for blank media, digital cameras (and accessories), opened software, printers, printer supplies, paper, projectors (and accessories), appliances, handhelds, PDAs, notebook computers, special order computers and special order items.

Defective software, video games or DVDs will be replaced by the SAME title and format ONLY (and subject to current availability) within 30 days of the Invoice date. Software, video games and DVDs may be returned within 30 days only if the item is UNOPENED (with shrink wrap still intact) at the sole discretion of does NOT apply a surcharge to credit card orders. Please read our RMA & warranty policy and terms & conditions for more information. If you have any questions regarding our sales and warranty policies, please send us a message -- we'll be glad to answer any of your questions.

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