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ASUS Routers and RAM (Memory) Usage
I have spoken to ASUS about there Router usage of RAM and Memory usage, hopefully this background information will help all understand a little more.

Memory usage mainly consist of "Cache" and  "Buffers" and as  (for example) the RT-AC86U has 512Mb of RAM, then this will mainly hold Cached data. the more services are used the higher the Cache usage over time, add to this the fact that the RT-AC86U is a 64bit device so ASUSWRT is compiled as 64 bit , as a result more RAM is required by services (processes) of the Router than a 32 bit compiled ASUSWRT .

ASUS have advised that at no point will memory run out (per say) as at a given point used data (cached) is released and replaced with new cached data.

Much like PC's and RAM, the more data held in RAM, means the less the processor has to work and data held in cache is much quicker to access than data via Processor etc etc. (my simplistic interpretation) ;-)

The other question is why does one ASUS model use more RAM (cached) than another, then this is due to chipset vendor requirements and ASUS thinking at that time.

Hope this helps?

UK Sentinel
UK Sentinel

DrayTeK 130 Modem connected to Netgear XR500, ASUS RT-AC86U then connected to Netgear XR500 


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This Forum was originally created to provide a means to allow users of ASUS (SOHO) Routers - both Wireless and xDSL (modem) based to freely communicate within a Community type forum where members can work together towards sharing experience, knowledge and ideas, I have recently also been asked to include Netgear and AVM wifi / modem based routers for discussion. All I ask is that we are all fair and reasonable, we try to add value where we can and not use this forum for other non community agendas and lastly, please feel free to dop me a message offline if you feel in anyways I can improve upon this site etc.
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