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The Worst Product We’ve Tried in YEARS!

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We wanted to test the Bykski External Cooler, but instead it tested our patience.

Buy a Cooler Master NR200P Mini-ITX Case:
Buy an Intel Core i9-13900K CPU:
Buy an ASUS ROG Strix Z690-I Motherboard:
Buy an EK Quantum Velocity 2 CPU Water Block:
Check out the EK Quantum Vector 2 GPU Water Block:
Buy a Sabrent Rocket 4 Plus 8TB NVMe M.2 SSD:
Buy an ASUS Strix GeForce RTX 4090 GPU:
Buy a Silverstone Extreme 850R Platinum PSU:

Purchases made through some store links may provide some compensation to Linus Media Group.

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MUSIC CREDIT
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Intro: Laszlo – Supernova
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Outro: Approaching Nirvana – Sugar High
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Listen on Spotify:
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Intro animation by MBarek Abdelwassaa
Monitor And Keyboard by vadimmihalkevich / CC BY 4.0
Mechanical RGB Keyboard by BigBrotherECE / CC BY 4.0
Mouse Gamer free Model By Oscar Creativo / CC BY 4.0

CHAPTERS
—————————————————
0:00 – Intro
0:58 – Build Redux
1:08 – Why do we want an external rad?
2:05 – Exterior Tour
4:00 – Interior Tour
5:53 – SFF PC with a 4090
8:38 – Filling the loop
11:23 – How you actually have to fill the loop
12:30 – Linus and Alex start to loose it
14:11 – Fixing the flow path
16:04 – Wow we actually filled it
17:52 – Guard.io
19:01 – Outro

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63 Comments

VdevoV

These product reviews keep getting weirder and I’m here for it.

Reply
    lightdragon

    Yes. It makes it even more funny

    Reply
    Pirojf Mifhghek

    The impromptu baby shower adds a nice touch.

    Reply
    Krissern

    “and I’m here for it.” What does this mean?

    Reply
    Michael Ironsights

    @Krissern it means he’s happy to see it

    Reply
    Veit Stößel

    @Alex Davis it can be if you build it yourself with a mo-ra 360 or 420 🙂

    Reply
pac man

Thank God, I was worried I would need a full sized PC instead of a slightly smaller one, but now I can just use this PC-sized cooler to cool my small PC and save tons of space!

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    Luke Broadhurst Films

    External water cooling system could go underneath the desk. Mini ITX on top

    Reply
    John L

    ​@Pali33 i have a creek going through my yard and I thought of it. But i unfortunately shared my idea to my wife, and she killed the idea rather quickly. I should have just done it 😂

    Reply
    Tom Cee

    Never heard of funnes?

    Reply
    TheZRasmus

    @Luke Broadhurst Films That’s exactly what I did

    Reply
    Marcus

    @ChronosSage Thats what she said

    Reply
Linus Tech Tips

Thanks Guard.io for sponsoring this video. Protect yourself from those pesky scammers! Save 20% on a monthly subscription plus a 7-day trial of Guard.io at https://guard.io/LinusTechTips

Reply
    salka man

    Have you ever seen a automotive vacuum fluid refill system?

    It removes all the air from the system until the hoses collapse. Afterwards, you to open a valve to a bucket to draw water in passively, and fill the radiator.

    That would have probably made that process easier for you guys.

    Reply
    wilkyy

    i thought build redux sponsored this video

    Reply
    ManicMods

    You would have made it better is right! Needs a case extension to fit your re-work. I just published a how-to for doing this with the HP Omen 30L. Linus, I’m ready to surrender it to you for testing if you ever wanted 😁

    Reply
    J B

    Umm…. what if you’re supposed to fill it laying down? 🤔

    Reply
    Gary Stinten

    https://youtu.be/DOWDNBu9DkU and around 14:05 there is an interesting drone propeller design that silences a drone.. perhaps this design could be designed for fan cooling a PC more quietly.. even perhaps a ltt fan propeller kit that could be interchangeable with stock factory fans

    Reply
dangitNicky

The “fixing the product” portion of the video was magical. I would love to see more of that in the future!

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    theonlyone38

    @Michael maybe when the Labs gets big, I could see this happening.

    Reply
    Ffgg Ggggg

    This is you need to stop using water just use air is easier

    Reply
    hey it’s pete

    Cringe

    Reply
    Steff May

    @David S same. had to watch it 4 times. Wish theyd spent more time on it

    Reply
3RG0PR0XY

Fixing the design was hilarious to watch. I would absolutely watch a series where you take expensive, poorly designed products and fix them so they work better.

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    Ffgg Ggggg

    This is you need to stop using water just use air is easier

    Reply
    MONKEY

    @Ffgg Gggggdoesnt cool as good and quiet and some people like the apperances of water cooling

    Reply
    Jean Mahmoud Ventilateur

    @MONKEY “as good and quiet” let me introduce you to noctua then

    Reply
    MONKEY

    @Jean Mahmoud Ventilateur what about using noctua radiators?? I mean liquid is just better at conducting heat

    Reply
    Jean Mahmoud Ventilateur

    @MONKEY You are aware it’s the exact same principle on both cases, right ?
    You are aware there is water in the pipes of air coolers, right ?
    You are aware that watercooling are just air coolers with a different setup, right ?

    The only benefit of watercooling is having bigger radiators (more than 360mm) and more clearance on the mobo, otherwise the risks of leaks and defect products are not worth it.
    If you want performances, low prices and low noise levels, go to noctua. Pumps and watercooling fans are louder, and overall more expensive.

    Reply
iLuvKatsss

If I could go back in time I would get a degree and work for you. I smile so much when I watch all of LMG’s content. Thanks guys n gals. Keep it coming. I watch everything every single day.

Reply
Ken Hildebrand Jr

It would be nice to see a follow up to this video where you build your own stand alone water cooler that would be something that the average person could build or buy.

Reply
    Sithus1966

    Maybe something that uses a small computer case as the chassie and other off the shelf components. Bet they could for under $690

    Reply
liandri

Pro tip: use a Mityvac MV6400 automotive pressure bleeder with the MV588 transmission adapter for complex loops. It threads into G1/4 and you can power bleed any loop no matter how complex. Put 2 valves at the end of the loop to block flow and open a drain and you can perform coolant changes in record time WITHOUT losing prime. Bonus is its 1 gallon so you can mix your distilled water and coolant concentrate right inside it. I have 4 radiators and 2 pumps in a o11 XL and needed a solution for maintenance, and this is what I found works best!

Reply
    EclipseGST94

    Exactly. A cheap brake bleeder and a tank full of water would have prevented them most certainly damaging the pump from running it dry.

    Reply
    The Echelon

    @EclipseGST94 If that’s required to run this, then the design is inherently flawed. This isn’t a car brake system, it’s (well it should be) a relatively simple water cooling loop.

    Reply
    EclipseGST94

    @The Echelon not required. A little patience would have worked fine. But if they were in a hurry they should have used the right tool to hurry the process.

    Reply
    Siana Gearz

    @EclipseGST94 The D5 doesn’t really take damage from running dry.

    Reply
Louie Coles

I just wanna thank David for the camerawork and the sound bytes during the video. Please keep up the good work.

Reply
I’mFrantic

I would love to see a self-made version of this, stomping the original 😄

Reply
    theduck17

    Really wouldn’t be hard. Just get a MO-RA360, Heatkiller Reservoir with D5 pump, 9 Arctic 120mm fans, EK soft tubes and fittings and couple of quick disconnects and that’s it.

    I’m surprised their product is so bad, it’s not that hard right now to do this so kinda no excuse.

    Reply
    I’mFrantic

    @theduck17 I know, it would be easy af, but I wanna see them both building something stupid again 😄

    Reply
VampyreCat

you guys should attempt to make your own version in a day and see how much better it is than the “official” product

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    Welshmanshots

    they technically did back when they water cooled the old office back in 2013.

    Reply
    Van Francisco

    make the LTT Water Cooler.

    Reply
    Callum Booth

    They did a while ago with fans strapped to a car radiator

    Reply
    ehfstyle

    They should gut this case and build a decent solution to cool a pc quietly in it

    Reply
    Dragotix

    i haaE A DUAL MoRa3 setup – so ya its much better

    Reply
Graeme Nicholson

I do like Bykski, I had a pair of Bykski water blocks as they’re the only one who made blocks for the Sapphire Vega64 Nitro, they were amazing blocks and really really well made. I was very apprehensive when buying them as like Linus, I had never looked into them.

Reply
longshot789

I made my own loop just for my GPU out of bykski stuff, and I’m finding it surprisingly excellent.

Reply
    A Bowden

    shill

    Reply
    The Echelon

    @A Bowden Nah I’m sure the individual components are fine. It’s just the integration into a finished product is crap.

    Reply
    Lucien Badoux

    Yeah I guess if you connect the fan controller to the motherboard then you are good.

    Reply
    bar sei

    tell this bykski, you should get a job and fix that 690$ mess.

    Reply
Corinator

Gotta love those terrible segways! Love how there is and isn’t something new every time! Keep up the great work Linus and the team!

Reply
Brian Hamilton

A trick to fill impossible loops is put a T and a valve in, then pull a vacuum on the coolant system, close the valve, put a tube in your liquid and connect it to the closed valve, then open and watch the water shoot through the entire system. Works every time on my last four builds.

Reply
    MrSn3akr

    And everyone has 1 of those 😁🤔

    Reply
    Karl Berget

    Or you could build systems with fillable loops like a normal human being.

    Reply
Lukas

The first PC i ever build myself was cooled by a thermaltake Rocket. I loved that thing so much that im still trying to find one to use in my current build. Just not gunked up and looking like its 100 years old.

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killertoast

This is one of the best videos on this channel that I’ve watched. While it’s factual where it can be, everyone is also having so much fun. Thanks for a great channel 🙂

Reply
Aster Daishi

After so many years of wondering (but at the same time not wondering hard enough to look it up) thanks to this video I finally learned what those two holes with rubber grommets on the back of my old NZXT phantom were for.

Reply
    STOP TRANSLATING VIDEO TITLES!

    I thought they were there so you can mount the radiator to the outside of the fan mount, incase it collides with other components on the inside of the case. I’d never have guessed that people actually had complete external water cooling systems! 😲

    Reply
Sayantan Saha Roy

Now we absolutely NEED a diy external cooler made by Linus and Alex.

Reply
EsikeitettyMaissi

I love how during the intro, when Alex hands Linus the box, he stays close by to make sure Linus doesn’t drop the thing before they even get to test it 😂 ❤

Reply

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