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Item#: N82E16819116491

Intel Core i7-3960X Extreme Edition Sandy Bridge-E 6-Core 3.3GHz (3.9GHz Turbo) LGA 2011 130W BX80619i73960X Desktop Processor

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  • 32nm Sandy Bridge-E 130W
  • 15MB L3 Cache
  • 6 x 256KB L2 Cache

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

The 2nd generation Intel Core i7-3960X Processor Extreme Edition is super-smart, ultra-threaded, and absolutely uncompromising, making it the ultimate desktop processor for content creators and gamers. With Intel Hyper-Threading Technology delivering unmatched 12-thread performance across six cores, 4-channel integrated memory controller, and the largest cache size for super low latency and quick response times, this processor will perform when you need them to, in the applications that you need them in.

A killer combination of features including Intel Turbo Boost Technology 2.0, Intel Hyper-Threading Technology and overclocking makes the 2nd generation Intel Core i7-3960X Processor Extreme Edition devastatingly powerful. With enhanced system tuning for processor cores, memory, and power levels, you will have the flexibility that allows you to attain extra performance for more complex multimedia applications and immersive gaming. Whether you are a novice overclocker or a seasoned veteran, these processors will have you singing their praises in no time at all.

  • newegg Intel 32 in 32 Challenge "Put simply, the Intel Core i7-3960X Extreme Edition is the most powerful desktop processor available on the market. Period." -- From
    What's this? Enter the 32 in 32 Challenge
  • newegg Six Core/12 Thread Processing Provides six complete execution cores in a single processor package, delivering 12 computing threads to help operating systems and applications deliver additional performance, so users can experience better multitasking and multi-threaded performance across many types of applications and workloads.
  • newegg Massive PCIe Graphics Bandwidth Provides up to 40 lanes of PCIe bandwidth for PCI Express devices, which can include graphics cards, storage controllers, and additional LAN devices. This processor has more than 2X the PCIe lanes vs. other 2nd Generation Intel Core desktop processors.
  • newegg Four Channel Integrated Memory Controller An integrated memory controller with four channels of DDR3 1600 MHz offers memory bandwidth up to 51.2 GB/s. Combined with the processor’s efficient prefetching algorithms, this memory controller’s lower latency and higher memory bandwidth delivers amazing performance for data-intensive applications.
  • newegg Intel Turbo Boost Technology 2.0 Dynamically increases the processor’s frequency as needed by taking advantage of thermal and power headroom when operating below specified limits. Get more performance automatically, when you need it the most.
  • newegg Intel Smart Cache This large last-level cache enables dynamic and efficient allocation of shared cache to all six cores to match the needs of various applications for ultra-efficient data storage and manipulation.

Learn more about Core i7-3960X Extreme Edition

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years
  • Read full details

Customer Reviews of Core i7-3960X Extreme Edition

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  • Scott K.
  • 2/4/2016 6:09:02 AM
  • Ownership: more than 1 year
  • Verified Owner

3 out of 5 eggsWas great, till it lasted. Had to send back one for RMA, 2nd one died just this last week

Pros: Benchmark speeds were exceptional. Better than any processor that I have seen. Combined with the Asus Rampage IV Extreme motherboard, it performed well beyond my expectations.

Cons: 1) Price. Was at least 2x more expensive than the next model down processor. I understand that it was designed to be the best, but my hell, $1k+?
2) 1st processor died after 1 1/2 years of ownership. RMA'd it through Intel with no problem
3) 2nd processor went completely kaput last week. Out of warranty as of 5 months ago. So now my computer is toast.
Out of all the processors I have owned, and do own, this one lasted the shortest.
Cannot say I will ever buy Intel again, given my experience with this processor

3 stars because of reliability

Other Thoughts: I did not overclock the processor as I had no need to do it, and I know it shortens the lifetime of the processor. Given how much I spent on it, I wanted it to last as long as possible. System was built as a computer for work, as was having issues opening large workspaces in Adobe PS with previous computer, but was used as a gaming computer secondly

- Asus Rampage IV Extreme motherboard
- 64GB G.SKILL Ripjaws Z Series memory
- Enermax Platimax 1200w power supply
- 2 x Asus GeForce GTX 680 2GB video cards
- 500GB SSD
- 2 x 600GB WD VelociRaptor HDD
- 3TB HDD data drive
Cooler Master Cosmos II Case
Corsair Hydro Series H100 Extreme Performance liquid CPU cooler

Motherboard is useless, since I cannot afford to buy a new processor. Will stick with my Mac from now on

Did you find this review helpful? Yes No

  • Alexandre d.
  • 12/21/2014 3:50:25 PM
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsBest Intel

Pros: The best Intel processor

Cons: The price

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  • Anonymous
  • 6/19/2014 7:33:45 AM
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsExcellent

Pros: Best processor I have ever bought.

Cons: None

Other Thoughts: Running this since 2 FEB 2012. It was a bit pricy for my first pure Intel build, but I feel now as though it was worth the investment. I have had ZERO issues with it since install and my PC runs 24/7/365 with normal reboots and outage.

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

5 out of 5 eggsAwesome CPU

Pros: When I bought this it was king of the hill and I still love it. It can run everything I throw at it and never bogs down. Its great at virtual machines also running many at the same time without problem. It does run hot when any overclock is attempted but is fine when no overclocking. It is easy to overclock to 4.4ghz with water cooling only going to 65 degrees under full load.

Cons: It was updated to Ivy bridge just weeks after I bought it.
Price is way to high

Other Thoughts: I would recommend this or the 4960 to anyone wanting a killer computer and to use water cooling to get the most out of it.

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

  • Andrew R.
  • 4/8/2014 12:57:54 PM
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsThe BEST desktop processor

Pros: I can sweat this thing.... I left it stock (no overclocking) and even running GNS3, VM Workstation 10 and about a dozen virtual machines, virtual switches, routers, firewalls, and load balancers I barely got above 33% utilization. on a normal day teh thing is barely registering. Running games it barely blips even when on high settings (yeah I know most of that has to do with video cards) but I don't dedicate a card to physics so .. take that for what its worth.

This CPU has been ROCK solid. Granted a lot has to do with what you pair it with. but I CANNOT complain about this processor.

Cons: Its not really a con but Price. honestly if your dropping 1K on a CPU you are probably not worried about this.

Other Thoughts: To be honest its all about the complete package. Spend some serious time researching your other components. make sure you are buying high end top performing mother board, RAM, drives, video cards, and controllers. When I built my rig out it cost me almost 6K and I bought everything from If you have problems running this CPU is most likely because of one of the other components. lets be honest you wouldn't buy a Ferrari engine and put it in a ford focus. If your not going to pair it correctly go with a lower cost CPU, no need to waste the cash if your board can't take advantage of all this CPU has to offer.

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

  • Kevin D.
  • 1/13/2014 12:58:22 PM
  • Ownership: 1 month to 1 year

5 out of 5 eggsReality

Pros: Fact: the 3960X/3970X/4960X are the fastest desktop CPUs in existence. Period. There's no question, no matter of test setups or threading/lack thereof that can dispute that. There's nothing from AMD that even plays in the same league. If you must have the best, these chips are it. My 3960X is running at 4.2ghz on dead silent air cooling and idles at 30c, topping out at 70c after days of running full-out. I'm certainly not setting any records, but then again there's no piece of software i've come across that I have to wait for.

Cons: $1000+ is ludicrously expensive for any desktop processor, no matter how fast. Then again, like me, most of us who run this CPU didn't have to pay for it. If you have to spend money to get a CPU, get the 3930k and overclock it. You'll be just as fast as we are.

Other Thoughts: Thoughts from a completely neutral datacenter engineer:

- Comparing a $200 AMD CPU to this chip is laughable. If you are buying $200 CPUs, you have no business even looking at this page. Don't kid yourself. Conversely, if you are seriously considering this chip, you aren't cross-shopping anything with the AMD brand on it. Don't waste your valuable time.

- If your CPU is running at 84C EVER, you have a cooling system issue. Not even a Prescott dual core should get that hot. Ever. Just want to reiterate - EVER.

- Genitalia-measuring contests over computer hardware are about as low as you can get. Stop wasting your time and get back to embarrassing old guys like me in BF4.

15 out of 29 people found this review helpful. Did you? Yes No

  • Mark S.
  • 1/12/2014 4:39:48 PM
  • Ownership: more than 1 year

5 out of 5 eggsBuy one first

Pros: Fast and tough. I have my cpu liquid cooled,I have had it running at 4.9ghz. Temp at 100% load, 12 threads, mid 70c.

Cons: Price is a minor con.

Other Thoughts: AMD chip users that don't own an Intel chip,need to stick to things they know something about. When I read reviews, I disregard ones that don't own the product they are reviewing. If you got the cash buy it.

4 out of 9 people found this review helpful. Did you? Yes No

  • Joseph P.
  • 12/15/2013 8:13:43 PM
  • Ownership: 1 month to 1 year

3 out of 5 eggsNot worth the price.

Pros: Very fast without even overclocking.

Cons: For 1/5 the price you can buy an AMD chip that's essentially just as fast.

For 1/3 the price you can buy an i7 Sandy Bridge that isn't perceivably slower.

4 out of 21 people found this review helpful. Did you? Yes No

  • 12/7/2013 9:48:53 PM
  • Ownership: 1 week to 1 month
  • Verified Owner

3 out of 5 eggsTrouble with overclocking

Pros: It's a six core monster with hyperthreading so basically you get 12 virtual cores which is as awsome as it gets unless you want to fork out over $2000 for a server processor like a Xeon. This is the best you can buy.

Cons: I'm having trouble overclocking this processor. Whenever I try to overclock it I get a "cpu overvoltage error" and my system becomes unstable. As far as I'm concerned a processor that costs over a thousand dollars should be designed for overclocking and I should never have a problem. I'm using a brand new ASUS rampage iv black edition which seems to be working fine so there is no good excuse for difficulty overclocking this processor which is why I give it only 3 stars (or eggs) out of 5. Since this processor is supposedly the best you can buy it should never give you an overvoltage error. I'm actually quite upset but I'm not a processor or motherboard expert so I'm not totallysure what's going on and the hassle of sending the processor back and getting a newer one is just too much. I had enough hassle building my system and I don't have time to send it back and wait for another processor.

1 out of 10 people found this review helpful. Did you? Yes No

  • Anonymous
  • 11/18/2013 8:36:01 AM
  • Ownership: less than 1 day

5 out of 5 eggsApples Vs. Oranges?

Pros: This chip is extremely powerful, that's obvious, it is reliable and has Intel architechure, what else could you ask for.

Cons: The Price! Enough Said.

Other Thoughts: I hear a lot of people blab on about comparing this processor to the AMD FX-8350 Eight-Core processor, and honestly I have had enough and I will speak out for myself. Firstly, stop comparing these two, one is $1,100 the other is $200. Secondly, AMD is vastly better in value. Thirdly, calling the AMD-8350's architecture turddozer makes you look like a flamboyant idiot, if you must compare the two atleast speak like your an intellegent adult, not like a 5th grader. Lastly, this IS a great processor, the price is just vastly rediculous and so I will never again recommend this chip and will stick with AMD 9/10 times. P.S. I will remark that the AMD-8350's benchmark was equivalant to that of an i7 in the $600 range, enough said there, Thanks Lads.

11 out of 17 people found this review helpful. Did you? Yes No

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Item#: N82E16819116491
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