Intel
Core i9-9900K 3.6GHz (Coffee Lake) Socket LGA1151 Processor - OEM

  • CM8068403873914
  • Hyper-Threading Technology
  • 3.60GHz Clock Speed
  • 5.0GHz Single Core Max Turbo
  • 16mb Cache
  • 95W TDP
  • Dual Channel DDR4 Controller
  • 1 Year Warranty
  • OcUK Ships worldwide including USA.
 

10+ In stock

£499.99 *
 
 
 
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Stock Code: CP-65K-IN

EAN: 5032037140102

MPN: CM8068403873914

Manufacturer: Intel

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Product information:

Core i9-9900K 3.6GHz (Coffee Lake) Socket LGA1151 Processor - OEM

*Overclockers UK ships worldwide, so if you are in the USA, order with confidence from us and we can get your CPU with you within 2-5 days depending on state. Our shopping cart will automatically remove the VAT*

The Intel Core- series of processors have now received their latest upgrade in the form of the Coffee Lake-S Refresh. This new updated range brings some highly sought after improvements, including the fact that CPUs with unlocked multipliers now offer soldered heatspreaders (IHS). This enables heat to be more effectively dissipated away from the CPU, allowing higher clock frequencies over longer periods of time.

The Intel Core i9-9900K is the new flagship model of the Core 9000- series and offers eight cores with Hyper-Threading (SMT), capable of processing up to 16 threads simultaneously. The enthusiast-class CPU is also capable of offering increased clock frequencies and optimised boost functions when compared to its predecessors. The TDP of this Octa-Core processor is a mere 95 Watts. The processor is compatible with socket 1151 motherboards from the 300-series.

Attention: Motherboards with Z370, H370 and B360 chipsets require a BIOS update in order to function with a 9th generation Intel Core- series CPU!

The Intel Core i9-9900K at a Glance:

    • 8 physical cores, 16 logical cores thanks to SMT!
    • 3.6 GHz Base Clock of 95 Watt TDP
    • 4.7 GHz Boost Clock on all cores
    • 5.0 GHz Boost Clock single-core
    • Unlocked multiplier for overclocking (OC)
    • 16 Megabyte L3 Cache
    • Support for DDR4-2.666 (Dual Channel)
    • Revised UHD Graphics 630
    • Only compatible with motherboards that offer Intel's 300- series chipsets!

The Intel Core i9-9900K: Octa-Core Processor with Hyper-Threading

With a Base Clock of 3.6 GHz the Core i9-9900K offers high clock frequencies which increase automatically in accordance with the use case scenario. The processor's Turbo Boost function enables the CPU cores to be clocked to meet the user's exact performance requirements. Depending on whether an application or a game is being run, the Boost Clock can increase - for example - to make either one core operate at up to 5.0 GHz or drive all cores at up to 4.7 GHz. As a processor with an unlocked multiplier the Intel Core i9-9900K can also be overclocked.

The processor supports a maximum clock frequency of 2666 MHz on DDR4-RAM and the CPU also supports Dual-Channel Mode. Depending on the motherboard and it capacity for overclocking, RAM kits with even higher frequencies can be used. In terms of the socket that Intel has opted for, the LGA 1151(v2) socket is used - meaning that ninth generation processors are compatible with 300- series chipsets. Motherboards with a Z370-, H370- or B360 chipset may require a BIOS update!

As the integrated graphics unit here is the Intel HD Graphics UHD 630, it offers an impressive 24 Execution Units to power Intel Quick Sync, GPU Compute and of course one or two games in between times. Furthermore the integrated graphics support DirectX 12 with Feature Level 12_1, OpenGL 4.5 and OpenCL 2.0 as well as 4K- and UHD playback at 60 Hz over DisplayPort - when paired with a compatible motherboard.

The Intel Core i9-9900K can reach temperatures that may exceed the rated 95 Watt TDP. This is particularly true with AVX512 instruction set extensions where TDP is exceeding by a significant margin. All-in-One watercooling with a 240 mm radiator or a large tower-style CPU is strongly advised.

Technical Details:

  • Type:
    Intel Core i9-9900K ("Coffee Lake-S Refresh")
    Manufacturing Process: 14 nm +++
  • Cores:
    8 / 16 (physical / virtual)
  • Frequency:
    Base Clock: 3.6 GHz
    Turbo Clock all cores(max.): 4,7 GHz
    Turbo Clock single-core (max.): 5.0 GHz
  • Cache:
    Level 3 Cache: 16 MB
    Level 2 Cache: 2 MB (8x 256 kB)
  • Memory:
    Memory Controller: internal
    Memory Channels: 2
    Memory Standard: DDR4 (2666 MHz)
  • Integrated Graphics:
    Intel UHD Graphics 630 (24 EUs, max. 1.200 MHz)
  • TDP:
    95 Watt
  • Socket Compatibility:
    LGA 1151
  • Chipset Compatibility:
    300- Series from Intel
 

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Customer review

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Average customer rating

(from 9 customer reviews)
Last 6 Months (9)
All Time (9)
 

5.1 at 1.27v so far and it keeps going down from there

I got this cpu fast I ordered it then three days later it was in my hand ... I had a retail version of the 9900k and I just sent it back ... performance of the oem one is out of this world I done 5ghz oc at 1.25v and stress prime95 custom run 12 12 small fft for an hour and it was solid... temp package was only 71c..I had hwinfo open the whole time . I think I have a golden sample. My retail version needed 1.365v for a 5 ghz stable oc and temps were high as 99c on core package some cores even hitting 103c on a cooler master 360r with max rpm fans.. I paid a lot of money for the oem 9900k to get it here to Canada even more than my retail version not to mention I also had to paid customs when it did show up .. all and all it was worth to me .. I got a golden sample for a 100 bucks more than my retail... which I sent back today... thanks overclockers uk for my golden sample it means the world to me

OmegaCain 2018-11-15

Just blistering

I always build high end systems....got this baby on an asrock board with a NZXT AIO cooler. I was worried about temps a little as IDLE was 34 degrees. However, until i looked closely, this was with all cores running at 5ghz......which makes this a stunning chip without the cooling problems others have mentioned. THe performance is shattering. Its not even that expensive. No reason to get anything else at the moment...great purchase.

Serra 2018-11-12

Extremely Pleased - Great Quality Chip!

Like everyone trying to get the i9 9900k, I had major disappointments from the major retailers. Looking for alternatives, I came across OCUK. I was slightly hesitant about purchasing OEM, however, the chip tests out extremely well without even attempting any overclocking - upper 80th percentile. I would definitely recommend this company to anyone trying to fight the shortage - and the ship time to the US was like 2 days!

Matthew Zastrow 2018-11-08

Extremely Pleased - Great Quality Chip!

Like everyone trying to get the i9 9900k, I had major disappointments from the major retailers. Looking for alternatives, I came across OCUK. I was slightly hesitant about purchasing OEM, however, the chip tests out extremely well without even attempting any overclocking - upper 80th percentile. I would definitely recommend this company to anyone trying to fight the shortage - and the ship time to the US was like 2 days!

Matthew Zastrow 2018-11-08

Maybe I won the jackpot, Easy oc 5.2ghz 1.415v Easy to cool

I have pretty good system not out of this world 420 an 280mm copper rads an D5 pump waterblock is a AquaComputer Vision with Noc fans running constant 800rpm.
And using Gigabyte new Z390 Pro wifi motherboard.
Cinebench score 2260 first run at 5.2ghz hardest thing to believe is temps not one hit 80c.
Thisis 5.2ghz
Amazing cpu
Need more sweets next time
Thanks Overclockers you are the Best

Mark J Benney 2018-10-30

Good purchase.

I really wanted retail but my impatience got the better of me, however this has not disappointed me in the slightest, oc to 5.1 all cores, vcore 1.310 steady as a rock and temps in the early 70's under load using Ryujin 360. Will go further I'm sure just not had time...

mattcozi 2018-10-27

Saved the day

Thanks so much for your fast and excellent customer service. I was not able to purchase this item anywhere in the USA but I'm very impressed with your service. And I received the I9 9900k two days early. Great job OCUK

Robert Kinslow 2018-10-27

Good purchase.

I really wanted retail but my impatience got the better of me, however this has not disappointed me in the slightest, oc to 5.1 all cores, vcore 1.310 steady as a rock and temps in the early 70's under load using Ryujin 360. Will go further I'm sure just not had time...

mattcozi 2018-10-27

Great service

Bought this 9900k OEM with a little hesitation as I really wanted the retail. However this CPU has been installed for a few days now and I have even overclocked it and it's running like a dream. CPU's rarely die and with a 1 year warranty from Overclockers you don't need to worry.

Rob Smith 2018-10-22
 

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