Item: Redditor Designed A RTX 4090 With Triple Noctua Fans Strapped On It
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Author: Low Boon Shen

Redditor Designed A RTX 4090 With Triple Noctua Fans Strapped On It

Welcome back to another episode of Reddit Users’ Skunkworks Engineering, this time involving the big, brute GPU that is the NVIDIA RTX 4090. We’ve seen a few official examples of Noctua fans featured in various NVIDIA GPUs, but this one stands above them all – given that no official RTX 4090 Notcua Edition exists so far.

The donor GPU in this engineering challenge is the INNO3D card, which the factory shroud is replaced with a custom 3D-printed one to fit three of the 92mm Noctua NF-A9 fans (which is quite a bit smaller than your typical high-end GPU cooling fans). The result? 8°C cooler temperatures (and a lot quieter), the user ‘zaME19’ claimed.

Since the user never painted the fans (or bought the chromax.black.swap variant), it is also unapologetically brown-colored. Whether that looks good for you ultimately depends on your preference, of course – but we can’t deny the sheer cooling power it’s capable of providing.

However, users in the comments did point out that the material of the printed shroud, PLA (polylactic acid), is prone to warping at high temperatures (over 60°C) – something this GPU will frequently encounter. Something like PETG (Polyethylene terephthalate glycol) is better designed for high-temperature scenarios. Fun fact: PETG is commonly seen in plastic bottles and food products.

Source: Tom’s Hardware