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Well, I've tried all the suggestions. Nothing worked. it seems when I flashed the previous bios something related to the bios flashing got bonked. Even the flashback is not working. The button flashes 3 times then nothing happens.

I guess I should give it a few minutes.

Do I need remove/disconnect everything but the power cables to do this?

I'm trying to flash the latest bios onto my X570 Unify, but my screen is black upon rebooting to M-Flash. It seems like no video signal issue when in M-flash mode. Already tried both HDMI and DP. Any other suggestions would be appreciated.

Even lower price

Have you checked the contact between the heatsink and IHS? I've seen several people complaining about bad contact on reddit. By the way, where did you mound your radiator? Top of front?

Even though it's the in-store-only deal, MC is selling 12900k for below $600.

NH-D15 is not sufficient for 12900. You need a 360 AIO to tame the beast.

I just read an article about a bug related to the "preferred core" feature. It seems like the reason I'm not seeing 5ghz+ clock speed anymore.

While playing COD:CW in Windows 10, I noticed my 5950X clock speed doing 5ghz+ very often. Upon upgrading to Windows 11, I can't see 5ghz+ anymore. The highest clock speed I saw was 4.8ghz. Is this a known issue with Windows 11? What can I do to resolve this issue, other than going back to...

Just keep the 11700k and wait for the next generation. Theoretically, PCIe 4.0 is twice as fast as 3.0. Again, only in theory.

Intel desperately needs to pacify the stockholders somehow.

You need to ship yours first so that they can physically inspect it before the final approval. So ready a spare cpu while you're waiting for a new one to arrive.

I get 94/93/100%

My two 5800X on Aorus Master behave as if PBO is on even if it's off in the bios.

It's not the cooling issue. 5800X hitting 90C is very common. Unlike Intel CPU, Ryzen behaves differently when undervolted. With Intel CPU, you can maintain the clock speed and performance (Cienbech score) until you get BSOD due to too much undervolting. With Ryzen, you still get the near...

Unfortunately, PBO2 is only for 5000

Congrats!

AMD recommends a 240mm AIO for 5900X

With my new 5800X and new bios, I've done some testing and found something very interesting. I don't know if this has to do with the particular mobo/bios combo (Gigabyte Aorus B550 Master F11n bios) or not, but it seems PBO is always enabled with 5800X even though it's off in the bios. When I...

It's not entirely USPS's fault on the shipping mess they are having. UPS and Fedex dumped their holiday stuff over to USPS.

However, if you lower voltage to tame the temperature, that also impacts the highest clock speed.

Can't believe 5900 and 5950 are still scarce. I picked up a 5950X for $100 more than MSPR+local tax from a craiglist seller about a month ago. I don't know how, but the seller was in possession of more than 5 units when I bought one from him. Considering my hourly pay rate, paying $100 more...

Well, a month after initiating the warraty claim, the replacement CPU finally arrived today. It definitely runs cooler than the previous one. I'm happy now.

5115 mhz is awesome.

I clearly stated there are 5800X with low temperatures. No matter what I did, my 5800X instantly shot up to 90C. Every bios setting at default.

With that kind of ambient temperature? What matters is the full load temperature while running a benchmark like Cinebench which can tax AVX. There are a lot of 5800X having the same temperature issue as I did (90C), then there are those who don't. geradfraser's 5800X runs all cores at 4.6ghz...

Don't listen to gerardfraser. He won a silicon lottery. He got a golden chip. (I'm so jealous) He's been bragging about it all over the net. 5800X runs hotter than other 5000 series CPU, even hotter than 5950X. I would go with minimum of a good 240.

I finally got the RMA approval along with a shipping label.

After emailing back and forth several times with a couple of AMD tech, they finally asked me to send them photos of my 5800X installed in my system, my sales receipt and, the box in order to approved the RMA.

Do it if it makes you feel better.

According to AMD_Robert @reddit, the 5000 series is programmed to the Tjmax. Meaning, at default setting, the cpu will not go beyond 90C. However, since you are applying the manual settings, this doesn't work.

Yup, similar results. According to AMD_Robert at reddit, when the core temperature reaches Tjmax of 90C, the processor will no longer apply additional boost and hold its current boost frequency until circumstances change. This is reassessed every 1 millisecond. Basically, you and I didn't win...

It won't be cheap since it's a "hot" item. ;)

Below is from Reddit post. AMD_Robert Technical Marketing2 points·1 day ago "Temps up to 90C are expected. We use the extra thermal headroom to push performance higher."

I think I'll also try the clean install Alphacool eisbaer 280

Simple. You got the "correct" 5800X. Others and I got the dud. ;) Did you happen to do the clean windows reinstall when you got 5800X?

The problem is pretty widespread. One person even collected data from eighty (80) 5800X owners. 20% reported 90C+ full load temperature. Considering 5800X is not as popular as other models, 20% is a lot...

Your 5800X temperature is within AMD's general temperature guidance. See the thread link below https://www.reddit.com/r/Amd/comments/jrccrt/5800x_temps_whats_going_on/?sort=controversial https://www.guru3d.com/articles-summary/amd-ryzen-7-5800x-review,19.html