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  • Intel Core i7-3930K Hexa-Core Processor 3.2 Ghz 12 MB Cache LGA 2011 - BX80619I73930K
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Intel Core i7-3930K Hexa-Core Processor 3.2 Ghz 12 MB Cache LGA 2011 - BX80619I73930K

by Intel
| 11 answered questions

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  • Core i7-3930K 3.20GHz 6-Core 12-Thread 12MB Cache FCLGA2011
79 new from $615.00 2 used from $385.95

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Intel Core i7-3930K Hexa-Core Processor 3.2 Ghz 12 MB Cache LGA 2011 - BX80619I73930K + ASUS Sabertooth X79 LGA 2011 Intel X79 SATA 6Gb/s USB 3.0 ATX Intel Motherboard + Arctic Silver 5 Thermal Compound 3.5 Grams
Price for all three: $932.38

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Customer Rating 4.8 out of 5 stars   (110) 4.8 out of 5 stars   (68) 4.8 out of 5 stars   (82) 4.3 out of 5 stars   (20)
Price $620.47$579.99$339.99$1,072.99
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Processor Series i7-3930K Intel Core i7 Core i7-4700MQ i7-3960X
Processor Speed 3.2 GHz 3.4 GHz 4.1 GHz 3.3 GHz
Number of Cores 6 6 4 6
CPU Socket Type LGA 2011 LGA 2011 LGA 1150 LGA 1155
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Technical Details

  • Brand Name: Intel
  • Model: BX80619I73930K
  • Processor Count: 6
  • Computer Cpu Speed: 3.2 GHz
  • Computer Cpu Manufacturer: Intel
  See more technical details

Product Details

  • Product Dimensions: 4.9 x 2 x 1.8 inches
  • Shipping Weight: 0.3 ounces (View shipping rates and policies)
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B00603QXPM
  • Item model number: BX80619I73930K
  • Average Customer Review: 4.8 out of 5 stars  See all reviews (110 customer reviews)
  • Amazon Best Sellers Rank:
  • Date first available at Amazon.com: September 10, 2011

Product Description

Intel Core i7-3930K Processor 3.2 GHz, 32nm, Integrated Four Channel DDR3 Memory Controller, Hyper-Threading Technology, 12 MB Smart Cache, Turbo Boost 2.0 Technology, LGA-2011 package

Customer Questions & Answers

Customer Reviews

Lightning fast and very Stable.
stephen wright
It takes anything I can throw at it and just laughs.
save our country
What can I say it was worth every penny.
Christopher Kuhn

Most Helpful Customer Reviews

74 of 83 people found the following review helpful By Patrick Skinner on February 6, 2012
I waited up at night for these to go on sale. I bought one on launch day and have been using it 24/7 since late November.

This CPU is amazing, it clocks to 4.8 GHz on water @ 1.34v and never gets above 60c even 24/7 prime95 stress test.
It runs 16GB of DDR3 @ 2133 with no problem, with 9 CAS, all at stock memory controller voltage (I'm lucky on this one!)

Yeah, it was a bit expensive, but who cares... its the bleeding edge of technology and you're always going to pay more for something like this.

If you're going to be building a super powerful system this is the CPU for you. The 3960x is not worth the extra cost.
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78 of 90 people found the following review helpful By jjceo #1 HALL OF FAMETOP 10 REVIEWER on March 12, 2012
I build a lot of high end computers and I wanted to build my fastest one yet. I chose this chip over the 3960X as it is about $450 cheaper but only about 2% difference in performance. This chip when overclocked offers 130% more capability than an overclocked AMD 1100T. I have built many 6 core computers and tested them all in overclocked mode.

Right out of the box and installed this CPU was 7.8 rated by Windows out of a possible 7.9. This compared to a 7.6 rating for an AMD 1100T overclocked to 4.2 GHz.

It runs in 12 threads and looks to your system as a 12 core CPU. Couple this with a good motherboard and your DDR3 memory will operate in Quad Channel operation and you will not believe the power and speed.

If you buy this chip or the 3960X I recommend that you immediately purchase the Intel Performance Tuning Protection Plan. This guarantees you a replacement CPU if yours should fail while being overclocked. The plan cost $35 and it is well worth it for the hobbyist overclocker. Go to this site to sign up for the plan, [...]

I have not overclocked mine yet as I am setting up all of my software and files. I want to make sure that everything is stable before I start tuning the system. My unit is running very cool using a Corsair H100 cooling system with 4 Corsair fans for a push/pull cooling system. At idle it is literally at 19 to 22 °C. At the standard set up I stressed it at 100% on all six cores for an hour with only two fans and I reached 48 °C and with all four fans I only reached 38 °C in 30 minutes. I had the cooling system set on the high mode and it was still quiet. The fan speeds only increase in speed as the H100 senses that the CPU needs it and it didn't kick in until I reached 48 °C.
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29 of 31 people found the following review helpful By Tim Welch on January 18, 2013
This is the workhorse CPU in Intel's lineup. It's the lowest cost six-core Intel processor you can buy.

This processor uses the workstation-oriented LGA2011 socket, as opposed to the LGA1155 socket used with Intel's mainstream-class processors. There are some differences in capability between the platforms that should be taken into account when deciding what processor to buy that are at least as important as the differences in the CPU itself.

Reasons you should buy this CPU:

- If you have heavily-threaded workloads that can take advantage of extra cores. Compiling code, video editing, etc.

- If you have the need for a large amount of memory and/or more memory bandwidth. The LGA2011 X79 chipset supports up to 128GB of memory, and typically most motherboards will come with 8 memory slots, supporting two sets of quad-channel memory. Most LGA1155 boards by comparison support up to 32GB of memory, and come with four memory slots, supporting two sets of dual-channel memory.

- If you are planning to use multiple high-end videocards. The extra pins of LGA2011 allow X79 boards to natively support 40 PCI express lanes, whereas the LGA1155 platforms are limited to 16.

Reasons you shouldn't buy this CPU:

- The platform is more expensive. This CPU currently costs $250 more than an Ivy Bridge 3770K. A LGA2011 motherboard will cost you about $150-200 more than an equivalent LGA1155 board. You'll probably also want to buy a quad-channel memory kit for compatibility reasons, and quad-channel memory kits carry a price premium as well.

- If you want maximum performance out of primarily single-threaded applications. On a per-core basis, the 3770K is faster than this CPU in addition to being cheaper.
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34 of 41 people found the following review helpful By True Vision on February 13, 2013
Verified Purchase
The i7 3930k is a great chip. However, what we received in the box was an Intel Pentium D made in Malaysia. It was rattling around loose in the package, which made us suspicious. Also the clear seal tape over the box flap was lifted at one corner and had air bubbles under. We've returned it for an exchange. Pretty clearly somebody else did the same thing and sent back their old chip in the 3930k box. This was an Amazon Prime purchase, not a third party. So, stay alert! There is a nice i7 3930k unboxing video on YouTube, which shows how the chip should fit in the packaging:

[...]
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33 of 45 people found the following review helpful By Ahbaid Gaffoor on November 29, 2011
Verified Purchase
I've been a long time buyer of AMD cpus due to the price to performance ratio. Within the last year however I have been running more virtual machines on my pc and have been in need of more CPU cores and wishing I could go beyond 16G of RAM on my AMD boxes.

I had been on the verge of buying a new Bulldozer to upgrade from an AMD Phenom II 1090T six core, but realized that even after spending an additional $270 I was only going from 6 cores to 8. I wanted to leave at least two cores and 8GB of RAM dedicated to the host OS, then put the remaining RAM and CPU cores to Virtual machine use.

With an AMD FX-8150 I could only get 6 cores left, and since 8GB RAM sticks are very expensive, I could only get 8GB of RAM out of the 16 my board could hold with 4x4GB sticks after taking 8GB for my host OS. This meant that at most I could get 4 single core virtual machines with about 2GB of RAM each.

I decided to wait to look at the new L2011 offerings from Intel before buying AMD again, I'm glad I did. Intel's CPU has 6 physical dual cores giving me effectively 12 CPUs. The motherboard I'm using with the CPU has 8 DDR3 slots meaning I could fill it with 4GB sticks giving me 32GB.

I now have 10 cpus and 24GB of RAM for my virtualization needs, meaning I can run 10 Virts with about 2GB of RAM each easily. Perfect for my needs!

While it cost a lost to get to this level of PC (Mboard, CPU, RAM) exceeding $1000 total, I feel that I know have a system that I can easily get four years out of.

I also fired up Photoshop and the thing is just super quick on this CPU.
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