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Hartmannsson
Blue Screen Again
Posts: 29
Registered: ‎03-01-2019
Location: GB
Views: 598
Message 1 of 6

2x16GB + 2x32GB RAM (P72 / P52)

Has anyone tried this setup for memory?

My P72 came with 2x16GB modules and I'm looking into upgrading it with more RAM and thought why not just go for the full Monty?

This should be relevant to P52 as I guess the machines share quite a bit of internal components and software, being of the same generation.


P72 Xeon 96GB (2x 970 Pro RAID0 soon) | X1 Carbon 16GB 1TB
Community SeniorMod
Community SeniorMod
Posts: 9,387
Registered: ‎01-01-2010
Location: US
Views: 593
Message 2 of 6

Re: 2x16GB + 2x32GB RAM (P72 / P52)

Both P52 and P72 machines are currently being sold on the sales site with 4X32GB so it is possible.  I have seen reports of people having problems adding DIMMs that were not Lenovo-brended.  The first startup after adding or changing memory can take a long time while the machine updates the configuration.  People give up and turn it off when there is no problem. When I upgraded my P70 from 2X16 to 4X16, it took just over 2 minutes for the first boot.  After that, it was quick, like normal.  Turn it on and go get a cup of coffee.  If you buy non-Lenovo RAM, always check the seller's return policy.  32GB DIMMs are expensive.


Rich


I do not respond to requests for private, one-on-one help. Your questions should be posted in the appropriate forum where they may help others as well.

If a response answers your question, please mark it as the accepted solution.

I am not an employee or agent of Lenovo.
Hartmannsson
Blue Screen Again
Posts: 29
Registered: ‎03-01-2019
Location: GB
Views: 584
Message 3 of 6

Re: 2x16GB + 2x32GB RAM (P72 / P52)

According to the 'birth certificate' and pictures the SoDIMMs installed are Samsungs.

I'm looking at these for the upgrade: https://www.scan.co.uk/products/32gb-1x32gb-samsung-ddr4-so-dimm-laptop-sff-memory-pc4-21300-2666-no...

 

My P50 that I'll be getting rid of has slower DDR4 so I won't be pinching half of the RAM. 


P72 Xeon 96GB (2x 970 Pro RAID0 soon) | X1 Carbon 16GB 1TB
Sergei_P52
Punch Card
Posts: 20
Registered: ‎02-22-2019
Location: RU
Views: 567
Message 4 of 6

Re: 2x16GB + 2x32GB RAM (P72 / P52)

Our processors do not support more than 64GB of RAM.

Community SeniorMod
Community SeniorMod
Posts: 9,387
Registered: ‎01-01-2010
Location: US
Views: 559
Message 5 of 6

Re: 2x16GB + 2x32GB RAM (P72 / P52)

"Our processors do not support more than 64GB of RAM."

 

That spec was published before the 32GB DIMMs existed


Rich


I do not respond to requests for private, one-on-one help. Your questions should be posted in the appropriate forum where they may help others as well.

If a response answers your question, please mark it as the accepted solution.

I am not an employee or agent of Lenovo.
Hartmannsson
Blue Screen Again
Posts: 29
Registered: ‎03-01-2019
Location: GB
Views: 503
Message 6 of 6

Re: 2x16GB + 2x32GB RAM (P72 / P52)

Yes!

I just put the two Samsungs found in the link above and turned the P72 on.  The screen was blank for about a minute, then it restarted and straight into Windows.  96GB!


P72 Xeon 96GB (2x 970 Pro RAID0 soon) | X1 Carbon 16GB 1TB

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