Pushing a Raspberry Pi 5 to the LIMIT....

Let's see how far we can push the Raspberry Pi 5... Big thanks to Eufy for sponsoring this project and make sure you Check out the Eufy S1 Pro. You can get $500 Off (Their biggest discount ever) by using either of the links below! Valid from October 8th

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[phgodts]

Remove or blur Nintendo games from the video. They are in witch hunt mode right now

[TheDainerss]

Someone already mentioned this but it needs repeating. The moment you wiped the Raspian OS, all your overclocking was removed. Remember, you were setting your overclock in config files in the OS. You were running Batocera at stock speeds. RetroPi would have been a better option as, I believe, it has the same configuration files as Raspian OS since it is based on it.

[shizeine]

For any DIYers 17:15 - pantyhose works really well at still allowing decent airflow while providing 10x the dust collection of wire mesh. That way you don’t have a dust sieve that leaves finer dust in your enclosure.

[AlexAngelliux]

Doing the 'stock' thermal testing with the IHS off was... a choice.

[FISHYFILMPRODUCTIONS]

For anyone who wants to use a stock pi5.... the temps are fine. His testing was a little disengenious. The stock ihs helps quite a bit as opposed to the die just being expoosed to air. Thermal pads are also much easier to use to fill gaps.

[JynxPryde]

This will probably sound like "back seat driving", but a thermal pad would have solved a lot of the issues you came across :)

[Liofa]

As an engineer that's worked with a lot of copper block water cooling systems in the metals industry, just resting the block on top of the unmodified CPU (with cover) and adding a little thermal paste on between the two, would have given sufficient heat transfer.

[Zyxlian]

Distilled water is actually the best liquid for heat transfer, with no additives at all. The coolant that is sold in pre-mix solutions has glycol, anti-biotic and anti-corrosive agents mixed in to prevent freezing and blockage. All of these additives *reduce* the effectiveness of heat transfer.

Since this Pi (and most PCs) is not going to be in freezing temps, the glycol is useless. Anti-corrosion additives are not needed if all metals in the loop are the same (a lot of loops are a combination of aluminum and copper, but it is common to get fully copper watercooling loops). Anti-bio additives are the only thing that are necessary in most loops, unless you want to swap out the liquid and completely clean the loop every few months. You can buy small bottles of anti-bio additive for this purpose.

[danielsimpkins]

A number of things to note here.
A. It’s pronounced like “bottosarah” or, more phonetically “baw-toe-sarah”.
B. Your overclock only was active on the pi install. When you installed Batocera, that wiped the overclock. It’s a software overclock, and not a persistent hardware overclock.
C. Thermal pads would have been a better choice for thermals transfer.
D. As another has said, your 84 degree temp was rather disingenuous as you had the IHS removed. That little plate actually wicks away a decent amount of heat.
D. You should have installed some kapton tape on the cpu where where there wasn’t direct die contact. There’s a number of onboard caps and resistors that are almost the same height of the cpu die. Your heatsink plate doesn’t stop from over tightening so you have a very high chance of shorting out the cpu since you removed the IHS.

[namirahnaf]

I am sure your initial temperature would have been much more reasonable if u still had the stock ihs on, 88c at idle is ridiculous

[pootispiker]

"This IHS is garbage"
"I'll make a worse one!"

[JinsokuYoroi]

Every time I see a video of water cooling I always get reminded of a specific video. And it's what makes me want to make a loop, just to fill my PC with vodka.

[almosthuman]

11:26 Please stop using Silicone in place of Silicon. Silicone is a crosslinked polymer of polydimethylsiloxane. Silicon is element 14 on the periodic table. The Polydimethylsiloxane molecule is 1 atom of Silicon, 1 atom of Oxygen, 2 atoms of Carbon and 6 atoms of Hydrogen. Semiconductors are made from crystals of Pure Silicon that is then doped with small amounts of metallic ions like Boron, Phosphorus, Arsenic, Antimony ect. These Ions interact with the valence electron layer of the silicon creating either a positive or negative state. I don't want to be rude, I just want people who fall into the Scientific/Educational side of the internet to communicate correct information to the young engineers and scientists of the future. We all make mistakes, what's important is we try to learn from them.

[Andy_Panda]

There are 3rd party boards available that plug into the side of the Pi5 and move the USB-C & HDMI ports to the back. They also make the HDMI ports full-sized.

[jackpaxton]

Remember kids, Its not stealing if its stealing from a big company. Especially if its a bigg company that got rid of their own emulation services.

[yearls]

A few years ago, I got curious after watching those fishtank PC builds, so I took my RPi4 and modified a plastic tub, got 2 small fans, filled the tub up with non-conductive liquid, hooked up the fans, with them side by side, one push the other pull.
Surprisngly, it worked just fine, one day I will do it again, but next time, a custom case. :P

[Demasx]

Who you are today, Zac, is who I aspire to be once I retire and have time to enjoy such projects! 🍻

[axescar]

If you don't search for hype on topic "water cooling RPI5", and really search for something that you said about retro emulation beast I know some variants. 1st one is Radxa x4, it's if you want/need RPI size. But I'd rather go and buy ASRock X600, took mini STX board of it and use regular AM5 water block it top of Ryzen 8700g. You steel will need to create custom case for all of that, and all that will be in similar volume case to your RPI5. But overall performance will be "a little" more that RPI5 😊

[ants]

I'd personally shave the cooling fins off the official cooling heatsink, cut out the right shape, and then solder the water block into the hole. It would also allow for removal of the block.

[TwistedMe]

Potential upgrade idea for a Mk.II-- install a M.2 NVme Pi Hat (be sure to change the settings from PCIe Gen2 to Gen3.) on the Pi5 using the ePCIe connection.