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Intel i7-4820K FCLGA2011 3.70 GHz 64 bit Processor 10MB Cache

4.7 out of 5 stars 68 customer reviews
| 43 answered questions
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  • LGA 2011, 3.7 GHz (Turbo 3.9GHz)
  • Core i7-4820K, Quad-Core
  • Power: 130W
  • Cache: 10MB
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Product Description

Intel Core i7-4820K BX80633i74820K Ivy Bridge-E 3.7GHz (Turbo 3.9GHz) LGA 2011 130W Quad-Core Desktop Processor

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Summary : Screen Size, Screen Resolution, Graphics Coprocessor, Graphics Card RAM
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Amazon.com Return Policy:You may return any new computer purchased from Amazon.com that is "dead on arrival," arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. Amazon.com reserves the right to test "dead on arrival" returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the condition of the product. Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellable condition due to customer tampering will result in the customer being charged a higher restocking fee based on the condition of the product. Amazon.com will not accept returns of any desktop or notebook computer more than 30 days after you receive the shipment. New, used, and refurbished products purchased from Marketplace vendors are subject to the returns policy of the individual vendor.
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Customer Reviews

Top Customer Reviews

5.0 out of 5 starsIncredible Processor!
By Jairus on October 31, 2013
Verified Purchase
You may need to update your BIOS for your motherboard to recognize this CPU. It is an LGA 2011 socket platform CPU but these are the new Ivy Bridge E 4th generation Core i7 Extreme microprocessors hence a BIOS update may be needed. I had to use the Asus USB BIOS Flasback cause my P9X79 board wouldn't even start into BIOS. The motherboard CPU warning light would turn on when trying to power on so I downloaded the lastest BIOS from Asus website. Renamed the file extension from .ROM to .CAP. Copied it to a Fat formatted USB stick. Stuck it into the motherboard USB port and pressed the flashback button. Waited a few minutes and it was done. There is a video on the Asus website on how to do this. Finally the system booted up right away and then I literally just put the CPU voltage to 1.2 and the multiplier to 44 and it's been running cool at 4.4 GHz every since. It could easily go higher but this is more than enough power for me. I haven't done any formal stability testing yet though, just a few benchmarks but I've been playing BF3 for days now (ultra detail at 100 to 150 fps) and now BF4 and it's been very stable for me. Other specs are ASUS P9X79 board, Intel RTS2011LC Water-Cooling Kit, Kingston 16 GB DDR3 1600mhz ram, PowerColor HD7990 6GB GDDR5 V2, XFX Pro 850 Watt PSU, Kingston SSD 120 GB, and Windows 8.1. In BF4 I'm averaging about 80-120 fps in ultra settings across all maps. In BF4 CPU hits about 70-80% load with temps hovering around 48c. Idle temps are about 30c.

Update 11/3/2013:
I just increased my overclock by a little bit more. This time I set the CPU voltage to 1.225 v. BLCK frequency was set to 100 Mhz. Multiplier was set to 45 giving me an overclock of 4.5 GHz. Memory settings and timings were the same as before, 9-9-9-27 at 1600 Mhz.Read more ›
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5.0 out of 5 starsPretty Darn Awesome
By Jacob Whittaker on December 14, 2013
Verified Purchase
Well were to start I've been building AMD machines because the price to performance ratio is very high. This is my first Intel build and I'm very impressed. I did allot of research on the both the 4770K and the 4820K and decided on the 4820K for it's better crossfire/sli support, in order to get 2 full length pci-e X16 slots. These can be had on z87 boards but it can be much more expensive, my X79 board of choice is a GA-X79-UD3, I ended up paying $199 for it and it is pretty good, the board had a sketchy beginning but the new rev1.1 is great and compliments the 4820K very well. Now for the reason I got the 4820K over the 4770K, the 4820K is the better overclocker, it uses solder on the IHCS rather than thermal paste, AND the voltage control since its ivy-bridge remains on the motherboard where it belongs. The 4770K beats the 4820K at stock speeds but when overclocked it performs way better and since the cpu runs so cool my hyper 212 evo can keep this thing at 45*C at full load and withstand 8hrs of prime95 "blend" test at 4.3GHz and not even come up with an error. Sure you can overclock the 4770K but you are going to see temps exceeding 60*C even on water cooling and though they just run at those temps normally I still don't like them. The 4820K is rock solid even though it was $320 I feel as if it were money well spent. Most would say its overkill for a gaming build but since I have the innate ability to multitask the crap out of a computer with a primary/auxiliary monitor I feel I could make very good use of it. All in all the total up grade came out to around $525, am I happy with it? OHH Yess........

My Rig====
Core i7-4820K, Cooler Master hyper 212 evo, GA-X79-UD3, 16gb or corsair LP ram, MSI GTX 770 2gb(sli), Corsair TX850, Sandisk Extreme ssd 240gb, and a WD Black 1tb
9 Comments 17 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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5.0 out of 5 starsThis processor is big!
By AKGeek on November 20, 2013
First thing is this a huge processor. packing is small and that is because it does not come with a cooler. You have to buy a cooler separately but Intel offers a cooler which I listed below.

Install was easy and the processor was heavier than any other bare processor I have seen. Best of all this processor is super fast, installing windows 7 took almost half the amount of time on a SSHD.

Intel BXRTS2011AC Thermal Solution Air
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5.0 out of 5 starsGreat Processor For Most People (Great for Gamers, and "normal" multitaskers)
By J. Clark on May 14, 2015
Verified Purchase
I bought this and it was a great processor and overclocked well too it struggled when I would try to run AutoCAD and multitask with other things like internet and pandora etc... I did however send it back for the 4930k which has much MUCH more power.
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5.0 out of 5 starsAwesome Processor!
By Cody B Harney on April 7, 2015
Verified Purchase
Extremely fast processor! Works great for every application I've thrown at it. Overclock is a breeze and with a good board and heat sink you can really push the limits with this thing. Very Highly Recommend!
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5.0 out of 5 starsI love this chip
By monsterpixel on December 17, 2013
Verified Purchase
I purchased this chip for my latest build because I game and because I write software and want a system that is ready to stand in to run and debug any sort of server-side software I may be building. Most current games do not yet take advantage of the hyper-threading of these sorts of processors. However, they will and I'm ready. I love having a processor (and memory) powerful enough that I can (so far) do anything and never see the computer freeze or slow down. If I have heavy recursive methods in software I'm testing, it sings along. During my work, I often have two or three IDE's open and a bazillion web page tabs while running debug versions of software. I also often have some game (lately Borderlands 2) open and will switch to it when I can play for a little bit. I run Win 8 and Linux on this machine with no problems and soon will be installing new drives to convert a boot sector to a Hackintosh. I look forward to seeing how this processor performs when I add the Hackintosh drive and all the development programs and processes I need. Of course, I expect it to be flawless just as it is in Win 8 and Linux.
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Most Recent Customer Reviews

5.0 out of 5 starsUsed Processor Works Great

Bought it used and it works perfectly - big savings!

Published 20 days ago by sampleaccurate
4.0 out of 5 starsI'm happy with it.

Working great.

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5.0 out of 5 starsits the best value high performance chip

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Great Price, Fast delivery and I can't complain.

Published 16 months ago by Amazon Junkie
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Excelent product.

Published 18 months ago by EMF
5.0 out of 5 starsThis is a great CPU, and well worth the price

This is a great CPU, and well worth the price. If you don't have a top of the line cooling solution and are running a typical fan/heatsink combo, I found that 4. Read more

Published 18 months ago by R.J.
4.0 out of 5 starsA major upgrade over my old dual core celeron. ...

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