Noctua has put a thermal pad on sale that it says never needs replacing the way paste does. Instead of a tube of paste, the NT-CP1 is a thin sheet built from carbon nanotubes, cut to suit AMD’s AM4 and AM5 sockets. Noctua prices it at $24.95 in the US and €24.95 in Europe.
The idea is to avoid the usual decline of paste over time, when heat cycles push it out from under the cooler or make it crack. Noctua says the nanotubes slowly settle into the tiny imperfections of the processor’s heat spreader over hundreds to thousands of heat cycles. Cooling therefore improves during an initial break-in period and then holds steady for years, the company says. No independent temperature results came with the launch, so these claims are Noctua’s own.
The pad was developed with Carbice, a nanotechnology firm, under a partnership announced in June 2026. Carbice’s nanotubes were first built for aerospace uses. The pad has an aluminium core between two nanotube layers and a thin polymer coating that makes it easier to handle and keeps it from sliding. Noctua says the coating also insulates electrically, as long as it stays intact.
Fitting is meant to be simple: peel, press and peel again. The pad is 90 micrometres thick and precut to 33 by 33 millimetres, and it is made in the US from recycled aluminium and waste carbon gas.
The pad is on retail sale now at the prices above. It fits only AM4 and AM5 sockets, so owners of Intel chips cannot use it and anyone with a different socket should stay with paste.
