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ASUS GTX 660 Ti Series Graphics Card Overclocked Edition Graphics Cards GTX660 TI-DC2O-2GD5

4.5 out of 5 stars 77 customer reviews
| 21 answered questions

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  • TOP-selected 1058MHz core - 78MHz higher than reference for smoother gameplay.
  • DirectCU thermal design utilizes direct contact copper heatpipes so heat is dissipated efficiently, delivering a 20% cooler and vastly quieter performance than reference.
  • GPU Tweak utility helps you modify and tune clock speeds, voltages, and fan performance via an intuitive interface.
  • Acclaimed DIGI+ VRM with Super Alloy Power technology delivers precise digital power and enhanced durability for stable overclocking and smooth gaming.
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Technical Details

  • Brand Name: Asus
  • Model Number: GTX660 TI-DC2O-2GD5
  • Item Package Quantity: 1
  • Video Output Interface: DVI 2x, Display Port, HDMI
  • Graphics Coprocessor: Geforce GTX 660 Ti
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Product Description

Introducing the new GTX660Ti-DC2O-2GD5. With DIGI+ VRM, Super Alloy Power, and GPU Tweak, that extra boost in performance update can now be attainable. Feel the power and durability of ASUS design which delivers an enhanced video rendering experience.

Product Information

Product Dimensions 10.7 x 1.7 x 5.4 inches
Item Weight 2.6 pounds
Shipping Weight 3 pounds
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item is not eligible for international shipping. Learn More
ASIN B008Y65MUA
Item model number GTX660 TI-DC2O-2GD5
Customer Reviews
4.5 out of 5 stars 77 customer reviews

4.5 out of 5 stars
Best Sellers Rank #954 in Electronics > Computers & Accessories > Computer Components > Graphics Cards
Date first available at Amazon.com August 16, 2012

Warranty & Support

Product Warranty: For warranty information about this product, please click here

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
I bought an EVGA 660ti first, it's too noisy. So I returned it.

After some investigation, I bought this ASUS 660ti. It's really much quieter than EVGA.

For now, it's perfect to me.
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Verified Purchase
This is definitely one of the best cards I have purchased. I bought this card to replace an old nvidia GTX 470 and so far, the GTX 660 Ti OC has been a much better experience. Compared GTX 470, this card is much more reliable with windows 8 and is dead silent. I have been observing the Asus monitoring software that came with the card and the fan speed is always at about 10%, even under load and the temperature have never exceeded 72 °C. In addition, my particular card automatically brings the boost clock up to 1150 MHz, (~100 MHz faster then the 1058 MHz advertised speed). I have not run into any problems playing games with this card. I can max out the settings on Assassin's Creed III. I ran a test comparing the two graphics cards with Unigine Heaven 4.0 with the following settings:

Directx 11
Quality: high
Tessellation: normal
Antialiasing: x4
Resolution: 1080p
Results: The GTX 470 had a score of 644, while the GTX 660 Ti OC had a score of 1015.

The one weakness with the GTX 660 ti series in general is the bandwidth. As newer games come out, I suspect this will have the biggest impact on antialiasing, which will have to be lowered to maintain 60 fps.

I would also like to mention however, that the first GTX 660 Ti OC I received I had to RMA. The card never displayed an image. I knew the computer was starting up because I could hear it log into windows. I contacted Asus technical support, and they told me to try and RMA the card with Amazon first because it would be faster (and they were right). Amazon replaced the card with no questions asked. After completing the online form, Amazon sent out a new card immediately with 1 day shipping and gave me a month to send the old card back, free of charge. Very impressive service.
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Verified Purchase
I'm running this with a 1112-1136 MHz core clock with a 2560x1440p monitor. I just have to say, this thing will get you where you want to go. Grid 2 looks absolutely AMAZING with my setup. If I were to add another one, it would look all that much better. Maybe with 3 1440's (hey, a man can dream, right?). Awesome value. I'd say, personally, that especially with the way prices look now, that this gives you more bang for your buck than the 760.

System Specs:
Cooler Master Elite 430
Cooler Master Seidon 120M Liquid Cooling System (Upgrading to a custom 400x200mm radiator system soon)
AMD FX-8320 @ 4.5 GHz (for now)
ASUS GTX 660 Ti OC edition
ASUS Sabertooth 990FX R2.0 Motherboard
Corsair Vengeance 24GB 1866+
Samsung SSD 830 Series 128 GB Solid State Drive
WD Blue 1TB 64MB Cache HDD
Corsair Enthusiast TX-750 PSU 750 Watt
ASUS PB278Q 1440p monitor

Get this card. Like now.
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Verified Purchase
I upgraded from a 5850 and am very happy. As I only purchased it in early August 2013, I had plenty of reviews to determine how much of a bump I'd get. I particularly compared it to the regular 660 and decided that the $30-40 premium was worth a typically 15-20% improvement in game FPS. Normally I use DriverCleaner to ensure a thorough removal of the previous graphics drivers, but now that DriverCleaner is no longer freeware, I decided to try using only the AMD driver uninstall program that you can download. I then used the boxed Asus/Nvidia driver install program and no problem. After confirming the boxed drivers worked fine, I later upgraded to the latest drivers, all experiencing no problems so far

I am a silent PC nut--I have changed all PC case fans to quiet ones, down-voltaged most on top fo that, use a large CPU cooler, and have vibration foam on much of the inside of my case. The reviews indicated that this Asus with the dual fan drivers are amongst the quietest for the 660Ti and I can confirm that. However, at idle this card is slightly more noisy than my prior Powercolor PCS, which was noted as perhaps the quietest actively-cooled 5850. It's likely simply due to a difference in the sonic signatures of the fans, given both are spinning quite low, rather than the OC'ing on the Asus. Keep in mind my PC is especially quiet, and certainly during any activityh where you are using your speakers you won't hear this card.

The enclosed Asus utility (GPU Tweak) for controlling the video card is quite effective--the software lets you customize the OC speed and fan speed. Many video cards are not easily controlled with 3rd party software, so having this included is very useful.
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Verified Purchase
Although this card is fast and quiet, it is not compatible with Secure Boot on a Dell XPS 8700 using Windows 8.1. Using secure boot causes 5 beeps and then prevents access to the BIOS. The PC does continue to boot to W8.1. The only way to regain BIOS access is to remove the ASUS card and use the OEM card or the onboard graphics. After accessing the BIOS, secure boot can be disabled and this will prevent the problem from reoccurring. The ASUS NVidia 660ti can then be reinstalled and used with a disabled secure boot. However, a disabled secure boot will cause a watermark message to always appear on the desktop. Also, this problem did not occur when using Windows 8.0. It started after upgrading to W8.1. I have seen other posts about this secure boot graphics compatibility problem on the internet. ASUS has a firmware upgrade to fix the problem but they say it only works with ASUS motherboards. Apparently, graphics cards will now have to be certified to work with specific PC vendors regardless of the MB slot type.
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