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M_shawaf
Fanfold Paper
Posts: 6
Registered: ‎03-19-2019
Location: EG
Views: 93
Message 1 of 4

Are theses RAMs dual-channel capable, for Ideapad 520?

I want to upgrade my IdeaPad 520's memory, currently, it has 2*4 GB RAM, only one is removable, so I want to replace it with 16 GB ram, but from specs, it seems I need:

2400MHz* DDR4, dual-channel capable

 

I found this https://egypt.souq.com/eg-en/crucial-16gb-ddr4-2400mhz-sodimm-memory-module-for-laptop-69870311/i/

and this:  https://egypt.souq.com/eg-en/crucial-16gb-ddr4-2400-mhz-pc4-19200-unbuffered-sodimm-260-pin-laptop-m... (from our local store)

 

But I don't know if they are dual-channel enabled or not

 

Laptop model number: 81BF

Benji96
Bit Torrent
Posts: 1,265
Registered: ‎06-19-2019
Location: DE
Views: 72
Message 2 of 4

Betreff: Are theses RAMs dual-channel capable, for Ideapad 520?

Neither one is dual-channel enabled because you picked out single modules. These are 1x16GB. You will be looking for 2x8GB. But the RAM type (SODIMM DDR4) and the speed are what you are looking for.

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Lenovo Yoga 530-14ARR (81H9003VGE)
M_shawaf
Fanfold Paper
Posts: 6
Registered: ‎03-19-2019
Location: EG
Views: 69
Message 3 of 4

Betreff: Are theses RAMs dual-channel capable, for Ideapad 520?

Excuse me, I'll need more detail to understand what should I get.
I don't fully understand the dual-channel" thing.
Do you mean, I should use two identical RAMs (2x8GB)?
Can't I use 4GB+16GB (one of two RAMs I attached)?

Isn't the "dual-channel" a property in the RAM itself?

*As I stated the laptop has only one replaceable RAM
Benji96
Bit Torrent
Posts: 1,265
Registered: ‎06-19-2019
Location: DE
Views: 67
Message 4 of 4

Betreff: Are theses RAMs dual-channel capable, for Ideapad 520?

In that case yes. Dual-channel is a capability of the motherboard and the memory controller. Either one of these will work in dual-channel with the integrated, non-replaceable RAM.

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Lenovo Yoga 530-14ARR (81H9003VGE)

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