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Forum Discussion
ReadyNAS Pro - Replace CPU Fan
The 80mm CPU fan on my ReadyNAS Pro Business NAS is starting to go. This is an early model that arrived with the CPU three pin header connected to the daughter board, as opposed to the main board.
The announcment: http://kb.netgear.com/app/answers/detail/a_id/12240/~/service-action-for-x86-readynas-pro-cpu-fan-speed-control-(2009-)
My question -
1) Is this correct - the early units had CPU fans with 3 pin header as opposed to 4 pin header, so the fix was to hook up the header to the daughter board which has a 3 pin header?
2) I'd like to get a quiet fan, as opposed to the original fan. I've read in this forum that the Noctua NF-R8 PWM 80mm Case Fan is very good. This has a 4 pin header. Is there anything better for the NAS?
3) Will a 4 pin PWM replacement fan work on the main board 4 pin header with no other hardware or software modification?
4) I assume I'll want to delete/stop the ToggleSwitchProCPUFan cron job once the new fan is connected to the 4 pin header on the main board?
Thanks! My two ReadyNAS Pro's are still going strong. Not ready for the landfill yet.
The announcment: http://kb.netgear.com/app/answers/detail/a_id/12240/~/service-action-for-x86-readynas-pro-cpu-fan-speed-control-(2009-)
My question -
1) Is this correct - the early units had CPU fans with 3 pin header as opposed to 4 pin header, so the fix was to hook up the header to the daughter board which has a 3 pin header?
2) I'd like to get a quiet fan, as opposed to the original fan. I've read in this forum that the Noctua NF-R8 PWM 80mm Case Fan is very good. This has a 4 pin header. Is there anything better for the NAS?
3) Will a 4 pin PWM replacement fan work on the main board 4 pin header with no other hardware or software modification?
4) I assume I'll want to delete/stop the ToggleSwitchProCPUFan cron job once the new fan is connected to the 4 pin header on the main board?
Thanks! My two ReadyNAS Pro's are still going strong. Not ready for the landfill yet.
13 Replies
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- Note the CPU fan wire is attached to the daughter board header toward the rear of the NAS. The rear 120mm case fan attaches to the other header on the daughter board.
After taking the photo the case was vacuumed out the rear 120mm case fan was put back in the case.
The Seasonic PSU was also replaced. This original PSU is in the photo.
Can you go into a little detail about your PSU swap? What PSU did you replace it with? Why? Quieter by chance?
> Can you go into a little detail about your PSU swap?
> What PSU did you replace it with? Why? Quieter by chance?
Yes, I am also interested in power supply options for a ReadyNAS Pro 6 / Business Edition.
Thanks, gregb
I have replaced both CPU fan and system fan in a ReadyNAS Pro Business Edition:
Replaced CPU fan:
From: Crown 80 x 80 x 15mm AGE08015B12V, 4-wire
To: Cooler Master 80 x 80 x 15mm R4-SPS-20AK-GP, 3-wire3 versus 4 wire: http://www.intel.com/support/motherboards/desktop/sb/cs-012074.htm
Replaced system fan:
From: Crown 120 x 120 x 25mm AGE120025B12M, 3-wire
To: Noctua 120 x 120 x 25mm NF-P12, 3-wireBoth fans work as expected, and are quieter than factory equiped fans. However, I prefer a bit more airflow because cooler = better life. Also found the CPU heatsink needed additional thermal paste because the factory installed bonding was marginal (use good silver thermal paste).
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