No other choice I suppose.
Well you could show us all how smart you are and build a time machine and marty mcfly the thing. On a serious note… If it turns out to be a good CPU at a good price you can return yours and get it 
I think I’d have an irrational mental block of going down to an 8 core after just getting a 10 core.
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I got 6 core 9600K. 11900K is upgrade for me.
I might go for these
Core i9-11900K
Corsair H150i Elite Capellix
MSI Z590 Gaming Carbon
Phanteks Eclipse P500A
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Our point is if it turns out to be too similar to the 10900k the 10900k is at a better price and more of an upgrade
I got 5900X for heavy duty. 11900K more into gaming. I might still consider 11700K as well. Gotta watch for benchmarks.
Also, I gonna shoot for DDR4-4000 / FCLK 2000 once AGESA 1.2.0.2 comes out.
Interestingly enough power consumption on the 10900KF even overclocked isn’t insane.
most of the time my CPU package power is around 35-50w during gaming. It’s only when I’m throwing synthetics at it that it hops over 200w
So my DDR4 4000 finally came in.
Cinebench doesn’t seem to care about RAM speed, but CPU-Z’s bench does.
Multi-core score jumped up a good 400 pts vs 3200/CL16.
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Do what I told you and crank that speed up to 4200mhz and do not touch any other settings. It will do it no problem on the same CL settings
Wouldn’t boot at 4000 at the start, had to do 3600 first, then reboot and do 4000.
Tried 4400 after without touching anything else, bit it didn’t work and I had to reset cmos and do the whole training again.
I might give 4200 a try but I’m happy with 4000
Weird mine boots all the way up to 4600mhz even though it’s a 4000 kit it will boot however anything over 4200mhz give me memory errors in stress testing unless I adjust the CL timings then it works just fine.
Maybe my motherboard is just not finicky at all with ram overclocking or I just got a really good kit or both. I hear the z490 Maximus hero is one of the best motherboards for Ram tinkering and that’s what I’m on.
I’m starting to wonder if you’re on a gigabyte motherboard. They are kind of known for being fussy. Gigabyte plays really well with Samsung b-die however any other type of dye they tend to be fussy with almost to an annoying level. It’s one of the main reasons I have stuck with Asus over the years. On top of that the hero motherboard regardless of platform whether it’s the Crosshair hero or the Maximus hero z490 or z390 has pretty much proven to be a tank in my experience.
I guess you could say it’s a true hero?
It is a gigabyte motherboard lol.
Z590 aorus elite ax.
But I mean, 4000 worked with pretty minimal interaction by me. Unlike a different cpu platform that I won’t name because it might offend some folks.
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For science, I tried the Deepcool Assassin 3 - I can confirm it’s just not enough for an OC 10900K.
Where Realbench was getting my 360 at around 82c after an hour, the Air cooler, despite it’s gigantic size struggled to hold 90c.
I was honestly surprised.
I recommend 360 AIO as minimum for any high end CPU these days. Turbo will make it overheat.
Yeah, I think the days of big air are numbered.
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Unless Icegiant makes one for Intel monolithic die. There is massive air cooler for Ryzen.
https://www.icegiantcooling.com/
Water Cooling Performance for Half the Price
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sffpc life, stuck with 240mm without dabbing into custom loop cooling is the best i got.
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Get Cooler Master NR200. Can fit 280mm, or triple slot GPUs. 
I tried. I ended up going back to the Ncase. Just smaller and feels nicer to build in. Definitely worth the extra $100 and worth the minor sacrifices.
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