AMD made a terrible flaw with this design...

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[Jayztwocents]

A little clarification on the hooks remark at 5:55. If your cooler uses the hooks OR retains the AMD backplate and doesn't replace it, then it should be compatible. Just wanted to clarify that. Not many coolers use their own backplate on AMD. Most AM4 coolers will be just fine but not ALL.

[ChrisMisMYhandle]

I wish they hadn't worried about cooler compatability and just made the thermal transfer as good as possible.

[SarasTech]

Hey Jay. NH-D15 (and any Noctua Cooler) works perfectly with AM5, as long as it has the AM4 bracket. I've done all my Ryzen 7000 testing with NH-D15 with cero issues. You just happened to have an older NH-D15. Noctua provides AM4 bracket for free, btw.

[ztunelover]

Little update for Jay and other viewers. I just bought a Noctua NH-D15 for my 5800x 3d in august. The latest versions come with a diagonally slotted bracket for AM3 or AM4. If you buy new you're good to go. If you buy used, beware because the old ones clearly didn't have the slot on the bracket.

[spn]

GN is planning to do a regular IHS - lapped IHS - direct die cooling comparison once the der8auer delidding tool arrives. Probably taking off a couple of millimeters from the IHS. According to Igor's Lab (and der8auer) it seems to be 3.42mm thick.

[Razor]

The NH-D15 qualifies for a free mounting kit if you have a version that came out before the AM4 socket war released. The AM4 mounting kit uses the stock rear plate, thus it will work on AM5 as well.

[Stunlokked]

FAQ: Which Noctua CPU coolers are compatible with AMD AM5?

"AM5 (LGA 1718) is AMD’s upcoming socket for its next-generation Ryzen 7000 (Zen 4) series processors. Please refer to our socket compatibility overview in the Noctua Compatibility Centre (NCC) to see which Noctua CPU cooler models support socket AM5 out of the box or via mounting upgrade kits.

In short, all Noctua coolers and mounting kits that support AM4 are upwards compatible with socket AM5, except the NH-L9a-AM4 and the NM-AM4-L9aL9i.

All Noctua AM4 mountings except the ones of the NH-L9a-AM4 and the NM-AM4-L9aL9i attach to the threads of the standard AM4 stock backplate. Since these backplate threads and their pattern are identical on AM4 and AM5, our AM4 mountings that attach to the standard AMD backplate also support AM5.

This means that all SE-AM4 models as well as all Noctua multi-socket coolers purchased since 01/2019 already support socket AM5. Multi-socket coolers purchased before this date that have already been upgraded to AM4 using the NM-AM4 or NM-AM4-UxS kits also require no further upgrades. Older multi-socket coolers that have been purchased before 2019 and have not yet been upgraded to AM4 can be made compatible with AM5 using the NM-AM4 or NM-AM4-UxS upgrade kits.

The NH-L9a-AM4 and the NM-AM4-L9aL9i are not compatible with AM5 because they require replacing the standard AMD backplate with a custom one, which isn’t possible on AM5. A dedicated AM5 upgrade kit for NH-L9a, NH-L9a-AM4 and NH-L9i coolers is in preparation." so if you have the AM4 mounting kit you should be good

[ZRubidium]

WHY MUST you make me remember, using the flat head method to put CPU coolers, I will NEVER forget, cracking a motherboard when the flat head slipped off that retention device. Way back in high school when I built my first Athlon 1.4ghz (computer with money earned bagging groceries).
IF eVGA wasn't going through it's current issue, I'd love to see KINGPIN play around with some of the ideas Jay mentioned.

[Trench_Wastage]

I believe Noctua has an AM5 bracket available now that should make all their stuff compatible. Good news for my next build plan

[MrRobRizzle]

Is it possible that the extra thickness could also allow for more headroom for vertical stacked dies in the future without having to update the platform?

[gtifighter]

I find it interesting that despite the 2mm too thick IHS, that CPU can run that much load and clock at these thermals. I originally wanted to get a Ryzen R7 7700X, but now I'm rather considering a Ryzen 7 7800X3D or something like that early next year because honestly, I intend to game on the system and if that thing is anything like the R7 5800X3D but with the thinned IHS (since 3d cache will make the die thicker anyways), thus compensating slightly for the temperatures, it could be an absolute beast.

[DavidRodriguezzz]

It's going to be really interesting to see all the top enthusiasts tackle this issue. If the thermals we're seeing really are because of the thick IHS, i'd have to imagine AMD will have to rethink it if they see similar to better performance with the lower temps.

[drunkenpumpkins]

Funfact, you can still use AM2 coolers from the Athlon64 days on a AM5 socket as longs its using clips. Personally I use a AM3 cooler (from a Phenom quad core) on my Ryzen 3 3200G in my HTPC because I had a Noctua fan for it (and it probably cools better, the stockcooler was designed for a 120W CPU and has a lot of copper) .

Unfortunately they did change the socket holes between AM3 and AM4 so you can't use Ryzen screw-in stock coolers on Athlon XP for example. Tough you can use the Ryzen 7 clip coolers on them which is kinda funny.

[philwithcheese]

I'm curious if the 3D cache is taller and the extra 2mm was actually chosen to accommodate the x3D chips

[UNKA]

HI Jay, so what your telling me is this new AMD IHS is bigger/thicker than it should be...sort of like when I order a small item from Amazon and it comes in this HUGE box with tons of bubble wrap?

[coladict]

Well now I wanna see what Der8auer learned. I'm not planning on moving to AM5 until the 3D Vcache models are out, so hopefully by then his mounting mechanism improvements will also be out.

[milesgerschefske]

Worth pointing out that with a taller z axis, if they wanted to do 3d v cache on later sku's it would be significantly easier to add. Just something that crossed my mind while watching debuars video

[Alvin]

7:35 actually they have been saying all along only AM4 coolers that don't use a custom backplate will be compatible, but Jay must have missed that part of the announcement.

[knallfrosch]

Noctua says: "Since the stack-up height (height of the CPU and socket combined) as well as the backplate threads and their pattern are identical on AM4 and AM5, all Noctua coolers and mounting kits that support AM4 are upwards compatible with socket AM5, except the NH-L9a-AM4 and the NM-AM4-L9aL9i". So the NH-D15 will work.

[hobnobrev]

So, Jay is experiencing the "cutting edge purchasers" issues that he talked about in a previous video... that these new chips + plus new socket: they're going to come with bugs and some issues which AMD will need to sort out before the next update release (the 3D cache ones next year)