128gb ram?

Radiating

macrumors 65816
Original poster
Dec 29, 2011
1,018
7
Before launch there was a some buzz regarding 128GB ram support. I haven't heard from anyone on the issue since. Does the new Mac Pro support 128GB? I'd like to run a RAM disk.
 

ozbimmer

macrumors member
Jun 15, 2012
68
0
I think xeon used in the new Mac Pro can support more than 64gb and 32gb ecc reg 1866 ddr3 ram module is available thou it's very expensive.
 

Umbongo

macrumors 601
Sep 14, 2006
4,931
54
England
This is most likely a case of no one having tried it/1866MHz 32GB DIMMs not being available in quantity. There is no reason it shouldn't work. The CPU's support it, and should work with 4x64GB DIMMs. OS supports 128GB too.

Apple probably don't lose any sales by not offering/certifying it.
 

iizmoo

macrumors 6502
Jan 8, 2014
260
34
Crucial has lower ram at $800 for a 32GB stick, might be a while before 1866 memory come out.

The UP Supermicro Motherboard support 512GB LR in 8 slots. So I would think the nMP support 128 density minimum, or possibly 256 if it support LR. I suppose we'll have to wait until someone has $4000 worth of LR ram to plug into a nMP to see if it'll work...
 

Bear

macrumors G3
Jul 23, 2002
8,089
4
Sol III - Terra
Crucial has lower ram at $800 for a 32GB stick, might be a while before 1866 memory come out.

The UP Supermicro Motherboard support 512GB LR in 8 slots. So I would think the nMP support 128 density minimum, or possibly 256 if it support LR. I suppose we'll have to wait until someone has $4000 worth of LR ram to plug into a nMP to see if it'll work...
Mavericks limit is 128GB of RAM. And you could check Intel's website to see what the ram limit is on the processor itself.
 

deconstruct60

macrumors G3
Mar 10, 2009
8,625
1,539
It's 768Gb for CPU.
That have the caveat on the Memory/DIMM configuration. What need is the max memory chip desnity the memory controller can deal with so that can get more memory onto just 4 DIMMs.

This is probably a wait for 8Gb DRAM dies at the required speed to get into the remotely affordable range.
 
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