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Comment: Lightly used i7- 3960X Extreme Edition socket LGA 2011 processor . Fully tested and guaranteed to work . We ship super fast the next business day (6 days a week) Guaranteed and the same business day when possible.. Any questions please ask and we will respond in 4 hours. Please see the listing photos .
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Intel Core i7-3960X Extreme Edition Hexa-Core Processor 3.3 GHz 15 MB Cache LGA 2011 - BX80619I73960X

4.1 out of 5 stars 27 customer reviews
| 9 answered questions

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  • Core i7, Sandy Bridge-E
  • Clock Speed: 3.3GHz, 3.9 GHz (Max Turbo)
  • 15 MB Cache
  • 6 Core
  • LGA 2011
4 new from $809.43 5 used from $279.00

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Technical Details

  • Brand Name: Intel
  • Model Number: BX80619I73960X
  • Processor Count: 6
  • Computer CPU Speed: 3.3 GHz
  • Computer CPU Manufacturer: Intel
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Product Description

Intel Core i7 Processor Extreme Edition i7-3960X 3.3GHz 15MB LGA2011 CPU, Retail Without Fan

Product Information

Product Dimensions 9.5 x 5.5 x 6 inches
Item Weight 8 ounces
Shipping Weight 4.8 ounces
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 B00603QXPW
Item model number BX80619I73960X
Customer Reviews
4.1 out of 5 stars 27 customer reviews

4.1 out of 5 stars
Best Sellers Rank #74 in Electronics > Computers & Accessories > Computer Components > CPU Processors
Date first available at Amazon.com November 14, 2011

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Customer Reviews

Top Customer Reviews

Verified Purchase
There is no argument that the 3960x is extremly fast. Currently it is the fastest available consumer CPU, you can search many reviews and benchmarks and they'll all tell you the same.

The one thing you should realize though, it is only a little bit faster than the 3930k, (clock speed wise it is only a 100mhz difference, and benchmarks have shown the difference between the two are fairly narrow). Just looking at the published specifications on intel's website, you'll find the two identical except for the 100 mhz difference and a 3MB larger L3 cache. Basically, for an average user, they would not be able to tell the difference between the two performance wise.

What it comes down to is how much you're willing to spend for just a little more speed. The performance jump from an i7-2600k to a i7-3630k is pretty good, but the difference between a 3630k and 3960x is very small, and it can be pretty hard to justify a ~400 dollar price difference between the 3630k and 3960x.

If you're not worried about cost, and have to own the absolutely fastest processor available, then the 3960x is your choice now, just don't expect it to be blazingly faster than the one step down 3930k.

One other small note I want to add is that these processors (the Sandy Bridge-E processors), do not come with a cpu heat sink/fan. If you're building a system, don't forget to find a fan for the socket LGA 2011 for these processors.

The price difference aside, I love my new 3960x.
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By Paul on December 25, 2011
This CPU is very fast. Right now I have it overclocked to 4.9Ghz with a little room to spare. I use this CPU to do scientific calculations for work, which mostly involves multithreaded calculations in Matlab and Mathematica. Thus far my new machine is the fastest workstation I have ever used.

This processor produces a lot of heat, so if you are overclocking you will need to get a good cooling system. The only other con of this processor is the price. (Which will likely include a new motherboard too). For me though, time is money and my investment will quickly pay off.

For those reviews that say software hasn't caught up to the potential of this processor (likely meaning games), I use every tidbit of processing power I can squeeze out of this processor. Its a fantastic processor for a workstation.
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True, this CPU is one of the fastest on the market right now, but that doesn't mean it's worth it. First of all, I would not recommend this for any type of gamer, casual or hardcore. The integrated graphics are good, but you'll see very little performance difference between this processor and any other top notch Intel processor. Gamers would get much more bang for their buck by investing in a pricey GPU such as the GTX 680. For those who are just looking for an upgrade to their workstation, I wouldn't recommend this either. It may be the fastest, but it isn't worth the price. With Intel's other CPUs, you can get very near the same performance you can with this one. The 3930k was just a little bit slower in benchmarks and it's ~$400 cheaper.

Another reason some would buy this is for the cores. The six cores are impressive, but AMD has already released a 8 core processor for $200. Their cores may not be as strong as Intel's, but saving $800 is definitely worth it.

I will however defend Intel for not shipping their stock heatsink with this product. If you're spending $1000 on a processor, and you're not going to overclock it, then you're wasting your money. And if you do overclock, you should by no means be using the stock heatsink. Besides cooling isn't that expensive, get an H50 for around $50. If you're buying this, money shouldn't be an object anyways.

FINAL VERDICT: It's the fastest, but not by much. Doesn't matter what you're doing, gaming, video editing, or just casually browsing the web, there's very little that you can benefit from by getting this over another high end processor. Unless you just can't be satisfied with anything but the best, you should probably save your money and get a cheaper processor that's worth it, or wait for the next generation of Intel CPUs.
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Verified Purchase
I installed one of these for a client and I have to say, if cost is not an issue, this is the chip to get! The motherboard alone costs around $250+ plus the cost of this chip, but I must say, if you want the cream of the crop, this intel I7 extreme chip is the way to go! Amazing fast processing speed!
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Verified Purchase
Performance quality at performance price. Yes, this is an expensive chip. The extra cache is great, and is where the cost is. I had issue with the motherboard not liking this CPU, however upon investigation it was the RAM causing the issues and the error code was wrong.

I have this with a liquid cooled system for the CPU only and it has never crossed 55 degrees, even under stress. Benchmarking over 3x the average system and this has not been stressed to it's limit. I am impressed.

Mainly purchased because of the extra cache and the clock speed. It has not disappointed, but cheaper also has the potential to keep pace for most of the work. Spend this cash only if you absolutely MUST have the best, because for very little less performance you can cut the price by 2/3.
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