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Netgear ReadyNAS 524X CPU running alarmingly hot
Summary: I purchased a Netgear ReadyNAS 524X (FW is current: 6.10.1, no betas) late August/early September of this year (2019), had to go out of town, so didn't even take it out of the box until I'd returned, and the drives I ordered for it arrived (October 5th, last Saturday). I was easily able to install them & configure the NAS without issue...save for what appears to be an inordinately high CPU temperature.
I've been monitoring it via the admin page etc, and even in a room of 68-72 degrees (F), keeping the CPU temp below 115F/46C has proven difficult, even under no load (!). Under ANY sort of load (e.g., syncing the discs, transferring files) it jumps up to 158F/70C. That's SEVENTY DEGREES CELSIUS (!).
The System temperature seems within reason (as do the individual harddrives themselves), and with the fan set to the fastest setting (Cool), the system is around 93F/34C, and each drive around 98-100F/37-38C. The best figures, to date (and this is under ZERO load, and naturally in a cool, well-ventilated area, though I've added another fan to blow directly ON the NAS) are:
System: 32C/90F
Drives: 36C/96F
CPU: 43C/109F
That is the LOWEST I am able to get it, and again: it is under as close to zero load as possible (per the Performance graphs etc).
I can provide screen caps and any other info as needed. Per the HD Compatibility list for the ReadyNAS 524X (https://kb.netgear.com/20641/ReadyNAS-Hard-Disk-Compatibility-List), I am using supported and identical Seagate drives (ST8000NM0055) installed in all four bays. In an attempt to troubleshoot, I also reset the unit, and installed just two drives...yet had the same high CPU temps (the number of drives made no difference in CPU idle or load temps, it seemed), while the system & HD temps all remained well within reason.
Is there a known issue with the 524X? I just got it, and don't want to void the warranty by checking the thermal grease on the CPU...however, 70C in an otherwise cool room, even under load, seems life-shorteningly extreme (even for the Intel D1508 Dual Core 2.2GHz CPU), and I don't want to have to deal with the NAS dying in a year or two.
I welcome any advice, and if I don't get any feedback from this forum, will take it up with support. And, YES, I have searched these forums multiple times, though if there's anything specific to the 524 and the CPU running too hot, I've been missing it (so links are appreciated as well).
Thanks in advance for reading, and again: further info available upon request.
~J
10 Replies
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This is with the fan set to 'Quiet' (the lowest setting). That...cannot POSSIBLY be good for the device...
I suppose I'll be escalating this to a formal support ticket.
~J
The RN524x CPU does tend to run a bit hot, but not 70C hot. Mine typically runs at 55C with the fan set on balanced. Though it's not on that much (it's a backup NAS on a power schedule), so I don't monitor the temps very closely.
There are a couple other posts on this - for instance here: https://community.netgear.com/t5/Using-your-ReadyNAS-in-Business/ReadyNAS-RN524X-CPU-temperature-too-high/td-p/1337323
Try opening the door - a few folks have posted that can drop the temp by 10C.
StephenB wrote:The RN524x CPU does tend to run a bit hot, but not 70C hot. Mine typically runs at 55C with the fan set on balanced. Though it's not on that much (it's a backup NAS on a power schedule), so I don't monitor the temps very closely.
There are a couple other posts on this - for instance here: https://community.netgear.com/t5/Using-your-ReadyNAS-in-Business/ReadyNAS-RN524X-CPU-temperature-too-high/td-p/1337323
Try opening the door - a few folks have posted that can drop the temp by 10C.
First, thanks for the reply; I did read over that thread, and am figuring I'm probably going to have to deal w/Netgear support on this, as its purpose was to be...well, just an always-on NAS on my home network (which is sophisticated enough to handle Link Aggregation, etcetera: I mean, I'm not a *total* savage when it comes to tech).
Aaand I should have mentioned I've only got it down to cool temps keeping the door wide open (even hit that 70C mark with the front open), so...feh. Really didn't want to deal with the hassle of replacing it, and while I'm capable of ensuring adequate ductility when it comes to heatsinking, no WAY am I voiding the warranty on something I quite literally just got.
Thanks again for your time and advice :)
Best Regards,
~J
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