Question: maximum RAM memory supported by Ubuntu 14.04 64bit

[Kees Cook]

Hi,

Operating systems that have RAM limits are trying to force you to pay
more money. Windows 7's RAM limits are artificially imposed, and serves
as a salient example of why freedomless software should be avoided.

RAM limits under Linux are the same as the physical hardware limitations.
These usually stem from the motherboard and chipset, not the operating
system. Please check the documentation on the system you're going to
purchase.

An unhelpful answer to your question would be "256 terabytes", but you
won't find hardware that actually supports that. See "Larger virtual
address space" in http://en.wikipedia.org/wiki/X86-64

-Kees

On Sun, Dec 07, 2014 at 07:08:03PM +0000, Shio Gai Quek wrote:
> Dear All:
> My name is S. G. Quek from Malaysia.I am a PhD candidate doing research in Pure Mathematics.Right now I am using a workstation with 32 Gb of RAM.I am looking forward to own a "compute-server" with RAM surpassing 192 Gb.
> As we all know, 192 Gb is the maximum RAM memory supported by Windows 7 ultimate 64bit.
> 
> So I would like to confirm the following questions:
> 1. What is the maximum RAM memory supported by Ubuntu 14.04 Desktop 64bit ?
> 
> 2. What is the maximum RAM memory supported by Ubuntu 14.04 Server 64bit ?
> If any of these two supports more than 256Gb, it will be the OS of my coming compute-server.
> 
> Hope to hear from you soon.
> My Utmost Regards.
> S. G. Quek
>  

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-- 
Kees Cook