Fan hub short-circuit test (Noctua NA-FH1 vs. unprotected fan hub)

Many fan hubs that are available on the market use very basic PCB designs without any protection or circuitry for signal quality improvement. While this helps to reduce cost, there are significant drawbacks with regards to function and safety. In particular, unprotected fan hubs bear risks in cases of overcurrent or short-circuits on the output ports. Especially when powering the devices through S-ATA, this can result in cables and connectors melting and may even cause sparks or flames. To rule out that anything like this can happen, the NA-FH1 features protection circuitries with resettable polyfuses that shut down in case of overcurrent or short-circuits, protecting the connected fans and surrounding components.

Further reading: https://noctua.at/en/na-fh1-technical-backgrounds
NA-FH1 fan hub: https://noctua.at/en/na-fh1
Buy NA-FH1: https://noctua.at/en/na-fh1/buy

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