Noctua confirms that most of its CPU coolers can support AM5 platform
The mounting hole spacing of the AM5 socket is the same as the current AM4 socket, and AMD also retains the same Z height. Generally speaking, the mounting fasteners of the AM4 platform are compatible. Noctua, a well-known radiator manufacturer, has confirmed that except for NH-L9a-AM4 and NM-AM4-L9aL9i, its other original AM4 platform CPU coolers can be applied to the AM5 platform.
Noctua further explained that all SE-AM4 models purchased since January 2019 and all Noctua multi-platform CPU coolers already support the AM5 platform, and prior to January 2019, purchases of multi-platform CPU coolers that have been upgraded to the AM4 platform using the NM-AM4 or NM-AM4-UxS kits do not require further upgrades.
If you want to know the socket compatibility of the Noctua CPU cooler, you can check the compatibility list of Noctua products.