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pianojoe

macrumors 6502
Jul 5, 2001
461
26
N 49.50121 E008.54558
Are you running out of RAM in any way?

The thing is: If there is unused RAM available, and the system can be sped up by using said RAM for caching, this is exactly what will happen. The moment the RAM is needed by another process, it is freed and made available.
 

thv

macrumors regular
May 12, 2022
185
212
Edit: Apple’s spec sheet on the 2017 iMac says 64 GB of RAM was available for BTO. So it was available day 1 as I remember.

I have a 2017 iMac bought day 1. I paid to upgrade the RAM myself to 32 GB within the first week or so.

I remember there being 64 GB available as well as I wanted to max everything out but couldn’t justify the insane price even from 3rd party RAM.

I have no proof to back this up unfortunately so all I can say is trust me and that I feel 90% right on this.

Idk if I'm tired and misunderstanding something but 64 was definitely available? 128, no
 

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PinkyMacGodess

Suspended
Mar 7, 2007
10,271
6,227
Midwest America.
One thing that I discovered is the 'weight' on your system depends on what software you use to virtualize the Windows you are using. Some systems sit heavier than others. And even without using the VM, the 'weight' can still be there to a point.

Also the memory figures you are seeing could also include swapped bits Into the swap file on disc. The whole idea of swapping memory is to have more memory than you actually have because most of the crap isn't used on a continuous basis. It's amazing, the actions of little programs running to insure the survival of the system. Pretty cool, when it works... When it doesn't, it all falls down.
 
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Jumpthesnark

macrumors 65816
Apr 24, 2022
1,242
5,146
California
Basic summary of thread: OP can't do proper research, buys something that will never work, complains that it doesn't work. Everyone else does proper research, many of them share links to the research, and are told "nuh uh!" by OP. OP shares more incorrect research (2019 instead of 2017) to support original position, keeps complaining about how they've seen 40-50 people running 128GB ram in their 2017 iMacs (no evidence provided).
Even shorter version:

OP asks question. Gets answer he doesn't like. Gets upset at those giving him facts that back up that answer.
 

0112862

Cancelled
Sep 24, 2017
43
187
64gb is the limitations imposed by the cpu/chipset you whatever. mac windows linux would still be limited to 64gb. It’s a hardware limitation. macos/win are only showing 128gb available based on dimma1/a2/b1/b2 and ram reported config.
 

0112862

Cancelled
Sep 24, 2017
43
187
intel ark 7700k

Memory Specifications​

Max Memory Size (dependent on memory type)
64 GB
 

Ethosik

Contributor
Oct 21, 2009
8,141
7,119
intel ark 7700k

Memory Specifications​

Max Memory Size (dependent on memory type)
64 GB
Why is this conversation still going on? Intel themselves says max memory supported is 64GB. Unless Intel. Apple and others are lying according to the OP? This should be the answer and be done with the conversation. If the CPU cannot support it, it cannot support it.
 

Shirasaki

macrumors P6
May 16, 2015
16,261
11,761
Well, guess until OP figures out the actual reason this thread might go a bit longer.

Actually reminded me to check similar stuff on my PC.

Hope we can see an activity monitor screenshot after removing 64GB of unsupported RAM soon.
 
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