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Forum Discussion
RAM Upgrade, Fan replacement, UPS, RNDU4000
I want to upgrade my RAM in my RNDU4000. Comes with 1GB. What is the maximum for RNDU4000? Is it one or two modules? Ive read that the maximum is 4GB for this unit. Is that correct? 1x4GB, 2x2GB? ...
Anton_ wrote:
Also looking for a small and non-expensive UPS only for this machine.
It need to have one feature that it can shutdown the NAS automaticlly.
So i guess the battery can have like 10min of power or something?
I have looked some on APC and Powerwalker.
I've gone with larger UPS myself - 1200 to 1500va. Hopefully someone who's used smaller models will be able to make a recommendatoin.
Ok, what model are you using? How have you it setup for the NAS?
I've gone with CyberPower - not necessarily saying they are the best choice, but they have worked for me. The most recent purchase was the CP1500AVRLCD. Options here do depend somewhat on your power (I'm in the US). APC is certainly a popular choice, and there are certainly others (Eaton being one I recall off-hand).
On the setup, all you need to do with a single NAS is connect the USB cable on the UPS to the NAS (and of course also connect the NAS to the UPS power). With multiple NAS, you can monitor the primary NAS (directly connected to the USB) over the network - making sure that the switch (or router) is also protected by the UPS.
The RAM also needs to be 2Rx8 ("low density"), not 2Rx4 ("high density", sometimes labeled "AMD only"). Lower cost 4GB modules are going to be 2Rx4.
The UPS I have on my remote NAS is an AMD 500VA one. It's an older model no longer available, but any current one with a USB port (which, I think, they all do) should work. Even a 350VA one would probably provide several minutes for a 4-bay NAS.
Ive found a replacement fan and RAM.
Noctua NF-A9 FLX and G.Skill F2-5300CL5S-4GBSQ or G.Skill F2-6400CL6S-4GBSQ
Could not get any other memory modules.. not in stock or not available anymore. Not manufactured.
As for UPS i will have to think about.
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