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Forum Discussion
Readynas Pro heat issues
Hopefully this is the right place to post this. I've had my Readynas Pro for about 7 years. Recently the power supply fan started to make funny noises and temperature was kind of high. Scheduled power...
I'll check the logs to see how things went down.
As far as the air. I think the SYS fan sits right behind the HDDs and lots off air gets pushed out of the NAS there since the HDD board is perforated for ventilation. You can easily feel this with your hand. On the other hand, the motherboard sits perpendicular to the SYS fan and airflow is somewhat blocked by the PSU and the internal chasis. Furthermore, the SYS fan is the ONLY fan pushing air away from the NAS. The CPU fan can only pull air into the NAS. So if the SYS fan is stopped it would seem to me that the CPU fan would only work by pulling more air from the side vent and inefficiently pushing it out through any available gaps (including the SYS fan mount cavity).
Note there is a heat sink under the CPU that is in direct contact with Disk 1. It even has a conductive pad. Disk 1 is always the hotter disk perhaps due to this heat sink. If the CPU heat is not properly dissipated through the chasis by the fan, my best guess is that it could heat up the Disk.
I'm not certain this is what's going on, but it's the best explanation I can currently offer given that Disk 1 shutted down, and SYS temperature went up. Will see.
As far as the air. I think the SYS fan sits right behind the HDDs and lots off air gets pushed out of the NAS there since the HDD board is perforated for ventilation. You can easily feel this with your hand. On the other hand, the motherboard sits perpendicular to the SYS fan and airflow is somewhat blocked by the PSU and the internal chasis. Furthermore, the SYS fan is the ONLY fan pushing air away from the NAS. The CPU fan can only pull air into the NAS. So if the SYS fan is stopped it would seem to me that the CPU fan would only work by pulling more air from the side vent and inefficiently pushing it out through any available gaps (including the SYS fan mount cavity).
Note there is a heat sink under the CPU that is in direct contact with Disk 1. It even has a conductive pad. Disk 1 is always the hotter disk perhaps due to this heat sink. If the CPU heat is not properly dissipated through the chasis by the fan, my best guess is that it could heat up the Disk.
I'm not certain this is what's going on, but it's the best explanation I can currently offer given that Disk 1 shutted down, and SYS temperature went up. Will see.
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