Sign in to follow this  
Followers 0
Kevin OBrien

StorageReview Enterprise Testing Environment: Eaton 5PX UPS Review Dis

9 posts in this topic

While battery backups might not be the first thing that come to mind when you think storage, having a reliable UPS at the heart of any testing platform is a must.

StorageReview Enterprise Testing Environment: Eaton 5PX UPS Review

How is the noise level ?

I know that the fans works at full speed when battery operation (charging/discharging) and perhaps when the load is high, but how is it in normal operation ?

Share this post


Link to post
Share on other sites

During normal operation I believe the fans are off... quietest part of the lab. I'll double check though since if they are running they are completely silent.

Share this post


Link to post
Share on other sites

Have you checked ? I'm still hesitating (there's a 10% rebate on a nearby shop for a few day left on the eaton stuff)

I'll need one but i don't want it to ruin all the effort i put into building quiet desktop & servers...

Here i read:

It's relatively loud in my opinion, even during normal operation. I still have the 5PX servicing a handful of NAS devices in a small server closer and you can't hear it through the door, but it's not something you'll want nearby if you're near it. I'd equate the sound to a mid-range PC from a couple of years back.

Here i also found some pieces of information :

When the 5PX switches over to battery power there is also a very distinct increase in fan noise as it spools up to keep the unit cool. In a normal situation this noise would be annoying, however in all fairness this noise is not a constant issue with the product and only produces itself during power loss, at which time most users would be more concerned with saving data than fan noise.

Here i read:

Cons: Fans tend to get very loud (not a problem in a data center)

and

When powering up the unit the first thing you notice is the noise. Like an angry choir, the fans roar at high RPMs then revs down a bit while the UPS performs a full system self-test.

But that's with the fans at full speed.

I also asked Eaton and Brian (thanks to him) answered me :

The noise level drops to 40dB when the fan is on low speed. dB levels are always funny. You can have a low dB but the fan can still be completely annoying because of the frequency it puts out. This fan noise is much more of a white noise vs. a high pitch fan.

Typcially, this UPS is not something you would have under your desk. With that said I have had a 5PX1500RT under my desk and it uses the same fan as the 2200. You can definitely tell a difference when the UPS is on vs. off with the low fan speed but for me it was something I got use to.

Edited by Mastaba

Share this post


Link to post
Share on other sites

Just confirmed and with a small load and on AC power the fan does operate at a low speed.

Share this post


Link to post
Share on other sites

Very quiet. It has more of a drone than a super quiet 80mm desktop PC fan and does ramp up when under load on battery power. I haven't noticed much of a speed pitch change with low or high AC load though.

Share this post


Link to post
Share on other sites

So i finally bought it. B)

It's very noisy when powered on the first time, then when the batteries are fully charged the fans lower their speed a little, but they are still too noisy for me.

Way too noisy, and i won't be able to let it run this way (it's sitting near my desktop with my computers, built only with quiet parts).

I saw the fans inside were common 12V 80*25mm, so i'm wondering if there is a way to replace them for quieter ones without harming the UPS ?

I don't know the cooling needs of this UPS, but as i already have a 100% fanless APC SMT750I line interactive i think it could be possible.

Also the output air is still pretty cold.

On the other hand i really don't want to destroy anything by modding the inside or by making it overheat in case of insufficient cooling/higher load...

What can i do ?

Share this post


Link to post
Share on other sites

While you could probably get away with swapping out the fans and making it quieter, you are most definitely going to void the warranty and probably have a lower-quality/less-reliable fan in its place. That said depending on load a quieter aftermarket fan could probably do the trick, although I don't know for certain what type of power connection the fans use.

Share this post


Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!


Register a new account

Sign in

Already have an account? Sign in here.


Sign In Now
Sign in to follow this  
Followers 0