[Beowulf] single machine with 500 GB of RAM

Sabuj Pattanayek sabujp at gmail.com
Wed Jan 9 08:02:37 PST 2013

Well, the HP ProLiant DL580 G7 has 64 DIMM slots (supporting 2TB) and
supports up to 4 E5-4xxx processors, problem is it looks like they'll
only sell you a minimum of 2 CPUs.

On Wed, Jan 9, 2013 at 9:43 AM, Sabuj Pattanayek <sabujp at gmail.com> wrote:
>> I am not aware of a single socket motherboard that can cope with 500GB
>> ram. 2 socket motherboards support about 256GB (128GB per processor)
>> or so at the moment and quad socket boards upto 1TB.
> For x86 architectures, the most I'm seeing in any available
> motherboard is 12 DIMMs per socket with current dual socket offerings
> that go to 768GB (384GB per socket, 32GB per DIMM slot). However if
> you go to ark.intel.com and check out the E7-4xxx it shows that it can
> address up to 2TB of memory and the E7-8xxx can address up to 4TB of
> memory. So with either of these solutions, to maximize the total
> amount of memory that any one processor could see in a board filled
> with all CPU sockets, you'd need at least 512GB per socket (4 socket
> solution for the E7-4xxx and 8 socket for the E7-8xxx), I just don't
> see that anyone has made such a motherboard yet.

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