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dovaogedot
Paper Tape
Posts: 4
Registered: ‎09-24-2016
Location: UA
Views: 568
Message 1 of 4

Extending RAM

I want to buy more RAM for Lenovo G505s but I'm afraid to choose incompatible chip. As CPU-Z says, I have Ramaxel DDR3L 4GB 800MHz. (-L means 1.35V, doesn't it?)

Capture.PNG

1) is it compatible with Kingston DDR3L? Other manufacturer's DDR3L?

1.1) DDR4?

2) afaik, no matter what frequency new DIMM has, I will have 800MHz (the least of both), right?

3) where can I find what DIMMs my motherboard supports?

4) is there any more dependencies to be both DIMMs compatible?

Sr Support Specialist
Posts: 9,488
Registered: ‎11-30-2015
Location: PH
Views: 531
Message 2 of 4

Re: Extending RAM

Hi dovaogedot  , 

 

Greetings. 

 

Best source of information to get compatible upgrade would be directly from the manufacturer as softwares may redirect to its own evaluation of chipsets intead of overall recommended parts and most importantly compatible ones. 

 

Memory Specifications

Up to 16 GB DDR3L-1600 MHz, 2 SODIMM slots

(1 x 2 GB/2 x 2 GB/1 x 4 GB/1 x 2 GB+1 x 4 GB/2 x 4 GB/1 x 8 GB/2 x 8 GB)

 

Suggested known working parts listed here as Item 16 pages 83 and 84 of the hardware manual including the part number . This does not however limit you from other manufacturer assuring that it be the same DDR3L (low 1.35v) 1600 MHz taking in mind of the return option just in case. DDR4 may not be supported.

 

Similar discussions here and here for reference.

Click on highlighted links for other details to your query and we hope this helps.

 

Regards



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dovaogedot
Paper Tape
Posts: 4
Registered: ‎09-24-2016
Location: UA
Views: 507
Message 3 of 4

Re: Extending RAM

OK. Then I have another question. If I have to buy only 1600MHz according to the list, then why my current DIMM has 800MHz (as I can see it in Task Manager, through CMD special command and in CPU-Z)? Can I buy 800 too, as my motherboard supports this type?

Highlighted
Sr Support Specialist
Posts: 9,488
Registered: ‎11-30-2015
Location: PH
Views: 502
Message 4 of 4

Re: Extending RAM

Hi dovaogedot  , 

 

Generally it's the same , ordering upgrade part would be best using the same OEM part number or at least same specification from the OEM manual to avoid confusion.

 

Allow me quote on some references. 

 

1600mhz RAM Running At 800mhz According To Task Manager

Double data rate : Meaning the result should be multiplied by 2 and the result should be 1600

Read more here :http://www.tomshardware.com/answers/id-2335089/ram-frequency-cpuz-ram-800-mhz-1600-mhz.html 

 

Regards



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