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6 Posts

12-13-2018

DE

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ThinkPad X1 Extreme memory upgrade

2018-12-13, 8:11 AM

I am looking for memory upgrade options from 1x8GB

Searching internet returns Crucial website for compatible sodimm 

 

Option 1: get 1x 16GB  = total 24GB

Option 2: get 2x 16GB = total 32GB

 

Q1: I read some where that it is important to have two identical RAM. Perhaps I would go for option 2. Any suggestion

 

Q2: For option 2, there are 2400 [CT2K16G4SFD824A] or 2666 [CT2K16G4SFD8266] version.

The X1 unit came with 2666 8GB RAM, is it better to go for 2666 version, even through it is written in manual that the max support speed is 2400?

 

Q3: Please share your choices for X1 extreme memory upgrade?

 

 

 

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6 Posts

12-08-2018

US

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Re: ThinkPad X1 Extreme memory upgrade

2018-12-18, 16:20 PM

If you want over 16GB, I'd recommend getting 2x 16GB = 32GB.

 

1. Yes it is important to match memory--if they're not the same size, you'll likely only be in single channel mode (half the memory speed). If they're not the same brand type, they might operate slower or even not at all.  Make sure they're matched.

 

2. Yes the X1E is limited to 2400Mhz mem speeds.  See note in theire specs: "Installed DIMMs are actually 2666MHz but run at 2400MHz due to Intel limitation)".  As such you can use either 2400 or 2666 (or anything higher), it will just run at 2400 speeds.  Get whatever is cheaper.

 

3.  You don't need to go with Crucial (although they're a good company), here are other options: https://www.newegg.com/Product/ProductList.aspx?Submit=ENE&N=100007609%20601190333%20601204086%20601204087%20601204088%20601204089%20601304275%20601322208%20601322214%20601322217%20601322218%20600567143&IsNodeId=1&bop=And&Order=PRICE&PageSize=36

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5 Posts

06-13-2017

AE

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Re: ThinkPad X1 Extreme memory upgrade

2019-01-18, 15:22 PM

Thank you !

 

Your post solved my problem,

 

My X1 Exterme 20MF000LUS is coming 1 X 16 and i was thinking before it arrives i place an order of addtional RAM of 16 GB from curcial. I was confused whether to get a 2666 memory or 2400. Because based on the Lenovo Website it is 2666 where as on Prefs it is written as 2400.

 

Anyhow now it is clear even if i get 2666 it is still going to work at 2400.

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39 Posts

08-11-2017

US

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Re: ThinkPad X1 Extreme memory upgrade

2019-01-18, 19:28 PM

I have 2 x 16GB SODIMMS that are same speed but mismatched brands.  No issues.

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5 Posts

12-14-2019

US

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Re: ThinkPad X1 Extreme memory upgrade

2019-12-18, 16:25 PM

Bought a Crucial 16Gb 2666 module and it's recognized by my X1EG1 as 2666 by CPUZ.

The main chip included in my laptop was a single 16Gb card 2666 also recognized by CPUZ and was identified from Micron, the parent company of Crucial.

 

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5 Posts

02-17-2019

ID

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Re: ThinkPad X1 Extreme memory upgrade

2019-12-24, 13:28 PM

Hi all,

 

does anyone here ever use ADATA brand RAM? am interested in upgrading RAM to 32GB using ADATA SODIMM RAM 2666mhz.. 

 

i read the spec on their website it said it's a double sided RAM.. will it fit in X1 extreme Gen 1 motherboard?

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