ReadyNAS Ultra 4 (RNDU4220) & RAM upgrade?

Question

Some years ago I read here in the forum that some users replace the RAM on there older ReadyNAS devices. Does anybody know which RAM might be compatible with the ReadyNAS Ultra 4 (RNDU4220)? Original the device comes with an 1GB DDR2 SO-DIMM.

Maybe some who are still using the ReadyNAS Ultra 4 (RNDU4220) and who performed an upgrade can still share some feedback :)

Sandshark · Answer

I believe that, like the Pro2, it's limited to 2GB.&nbsp; Just get something with a speed at least as high as the original.&nbsp; I've not found the ReadyNAS (save the original SPARC NV/NV+) to be especially picky about RAM.

StephenB · Answer

BastianWtal&nbsp;wrote:
Some years ago I read here in the forum that some users replace the RAM on there older ReadyNAS devices. Does anybody know which RAM might be compatible with the ReadyNAS Ultra 4 (RNDU4220)? Original the device comes with an 1GB DDR2 SO-DIMM.
&nbsp;

There is an old thread here:&nbsp;&nbsp;https://community.netgear.com/t5/New-ReadyNAS-Users-General/Ultra-4-4-gig/td-p/811325&nbsp;that should help.
&nbsp;
I've upgraded the RAM in my Pro-6, but that is of course a different platform.

funglenn · Answer

Granted I own a Pro 2, but i will say that when i doubled the RAM from 1 GB to 2 GB, the system UI was alot quicker and snappy. Unsure if it helped with traffic and throughput as it is just my long term storage backup. I think it is definitely worthwhile, esp as i have upgraded my Pro to run 6.9.5 and kept it somewhat relevant and secure.

StephenB · Answer

All OS-6 Intel ReadyNAS ship with 2 GB or more.&nbsp; I think its a good idea to have at least that much in the converted Pros and Ultras, since Netgear is developing and testing the firmware for platforms with that memory footprint.
&nbsp;
I upgraded my Pro-6 RAM in order to support Crashplan backup (which requires a lot of memory).&nbsp; I didn't see any performance speedup for file transfers when I did that.&nbsp; However, I was (and still am) running 4.2.x firmware on that NAS.&nbsp; I do intend to convert it the next time I need to do a factory reset.

BastianWtal · Answer

StephenByes thats my point as well. The device is relative old and RAM wasn´t that cheap as its the situation at the moment.&nbsp;Any advices which RAM would work in the ReadyNAS Ultra 4 (RNDU4220)?&nbsp;Orginally the device seamed to have a "1GB DDR2 SO-DIMM". According to the forum here (https://community.netgear.com/t5/ReadyNAS-Hardware-Compatibility/upgrade-memory-readynas-ultra/td-p/806953) the chipset would support 4GB via 2 slots. However as the U2 has only one slot a 2GB DIMM seamed to be the max.&nbsp;Can anybody recommend a working DIMM?&nbsp;&nbsp;

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ReadyNAS Ultra 4 (RNDU4220) & RAM upgrade?

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