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Financial Mistake - 9900k + 2080ti

by kevosaurusrx


Part List View full price breakdown


Date Published

Dec. 21, 2018

Date Built

Dec. 19, 2018

CPU Clock Rate

3.6 GHz

CPU Temperature While Idle

26.0° C

CPU Temperature Under Load

65.0° C

GPU Core Clock Rate

1.95 GHz

GPU Effective Memory Clock Rate

14 GHz

GPU Temperature While Idle

50.0° C

GPU Temperature Under Load

75.0° C


Christmas bonus + some parts received as gifts led me to create a total overkill build. Intended for 75% gaming and 25% general/work use. Some of the parts were cannibalized from my previous build.

The Corsair H115i Pro barely fits in the NZXT H500i case (and, in fact, the case claims to not support 280mm rads at all). But it does in fact fit--unfortunately, only in a pusher configuration.

The 9900k died on me on its second-ever boot. Thankfully Amazon is sending me a replacement. Currently it has an 8700k I stole out of my girlfriend's computer. EDIT: new 9900k is in and working. All is well in the world (except my wallet).

(Parts list shows prices with tax)

EDIT 2/11/19 - My 2080ti was acting funny with the fan curve. I ordered and installed a hybrid WC setup. In the process, I found that the stock thermal paste did not completely cover the GPU die. My theory is that, even though the temp only reported 70C, certain parts of the card were much hotter and it was spinning the fans to 100%. With the new hybrid kit, temps are under control; speeds are stable; and the computer is much quieter.

3dMark TimeSpy on stock numbers was 13,200. With CPU at 4.9, new hybrid cooler, and GPU at +125/700, it hit 14,330.

Part Reviews


3 stars for now. CPU worked on first boot to bios. It somehow died when I went to reboot and install windows. CPU failures are so infrequent, but it seems there are several others who have experienced random and sudden 9900k failures.

Edit: new 9900k works like a dream. Temps are reasonable. 4star for price and holding hyperthreading hostage. Next stop, 5ghz.

CPU Cooler

With stock fans on a moderate profile, it keeps my 9900k around 28C idle and 70C under full load. Fit and finish are good. Install was relatively painless. I just wish there was a better way to route the USB cable off the block.


Decently priced, good power delivery, good feature set. RGB is nice but unnecessary. BIOS is....not great. But I can overlook it for all the other positives. It's not like the BIOS is missing features; it's just horribly organized.


Not much to say about this. It works, and it crushes every benchmark. Fast as balls.

Video Card

Runs suuuuuper hot and doesn't OC as much as I hoped. I lost the silicon lottery here.

That being said, it pulls 80+fps on BF5 at 1440 with all settings maxed and DXR on ultra. Guess I can't complain.

If I could go back in time, I would either wait for the XC2 or just get a Founder's Edition and watercool it.

Edit: my temp issues may have been caused by incomplete coverage of the stock thermal paste.


First time building with NZXT, and it did well. The fan/RGB hub is pretty simple, effective, and unobtrusive. Fitting the AIO rad was pretty easy, but do note that the case technically only supports 240mm rads.

Cable management on the backside was pretty decent, but there was no good way to lock down my unruly 24pin cable.

Overall, it's pretty snug in there. While you can technically put a 140mm fan on top, in reality the 8pin CPU cable will get in the way. I wish the case were maybe 10% bigger. Otherwise, great case.

Comments Sorted by:

timbermaniac123 2 Builds 4 points 1 month ago

It's not financial mistake if you can't get 60 fps 4k with RT ultra on Minesweeper.

6go 1 Build 4 points 1 month ago

ikr, I have finally found a pc able to run 30fps on coolmathgames.com, how could anybody say this is a financial descion that is bad

matthewspalace 3 points 1 month ago

Yes, and if he overclocks he may even get 30fps on Stardew Valley with 8k ultra settings and rtx on.

kevosaurusrx submitter 1 Build 2 points 1 month ago

I'm getting crazy framerates in MS Excel

Vdgamer 1 Build 3 points 1 month ago

Love the title!

ThatGuyBryce 2 points 1 month ago

+1 relatable title

Jeremyt95 1 Build 2 points 1 month ago

Love the build clean looking interior!!!

C3156 3 Builds 2 points 1 month ago

Anytime you build and you buy more than you really need, it is a financial waste. Other than that, I love the clean simplicity of it.

6go 1 Build 2 points 1 month ago
kevosaurusrx submitter 1 Build 1 point 1 month ago

Or a decent NA miata

Stitchgamer04 1 point 1 month ago

Lol. This cracked me up.

nites07 1 Build 2 points 1 month ago

+1 for the title lol

newgamingpc09 1 Build 2 points 1 month ago

I like your build, what a mistake lol!

that.guy.coby 2 points 22 days ago

Whats your fps in the recycling bin

kevosaurusrx submitter 1 Build 2 points 19 days ago

approximately 12 ft-lbs

tiendocali 1 point 1 month ago

Hi, Can you help me by answering the questions?
Do you hear the cpu coin whine when you have your ear close to the back or the front of the cpu when it run?
When you plug in your speaker or headphone, do you hear that coin whine on your speaker?
I am having that problem. The coin whine is not loud and unnoticeable if you are not in a quite room, but when you plug in the speaker, it is so loud.
I use Asus z390 E gaming mother board. I am looking for the solution for my issue. I hope it is because of the board that cause the cpu to sound like that so it is cheaper and I have more options to replace it. Any helps from other builder of asus and intel chip are appreciated! I got the same noise like in these video below:


kevosaurusrx submitter 1 Build 1 point 1 month ago

It's hard to say because the AIO makes a bit of nose on its own. But I don't hear any coil whine in my speakers or headphones. I specifically went with the gigabyte over an Asus for the better power delivery, so maybe that has something to do with it.

kevosaurusrx submitter 1 Build 1 point 1 month ago

Update: new 9900k is in and working. 13,200 on timespy without any OC. http://www.3dmark.com/spy/5484812