Correct way to upgrade my 4x2(8GB) RAM to 16GB

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takamura.ichi

Sep 15, 2018
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Hello,I currently have Corsair - Vengeance 8GB (2 x 4GB) DDR3-1600 Memory Installed http://
I want to add extra 8GB,but i'm not sure should i go with same 2x4 Kit or is it ok to purchase 1x8GB(Same Speed,CAS,Voltage) module?

The thing is i'm really low on budget,2x4 kit costs 70$(can't afford right now), while 1x8 Is only about 55$.Also i don't want to "lose" dual channel mode,because it improves about 10-20 FPS in games compared to single module.

I read my motherboard's manual,but with my bad English i can't understand if i can go with extra single module memory without disabling dual channel mode.

Here are my PC Specs:

CPU: Intel Core i5 3570 http://

Motherboard: ASrock z75 Pro 3 http://

Here is the screenshot from Manual considering my problem
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Some screenshots from BIOS and CPUZ

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CK4Q24E.jpg

ALCSMfC.jpg


Thank you all for your replies
 
Solution
Wolfshadw
The RAM compatibility issues extend to even the same RAM manufacturer and type. For instance

You have Corsair - Vengeance 8GB (2 x 4GB) DDR3-1600 Memory currently installed. You could purchase this exact same kit today and it might not be compatible with your current RAM, simply because it was manufactured at a later date.

It might work.
It might not work.
The only way to know is to try it, but if it doesn't work, that means you have to return it (probably at a loss) and [b[STILL[/b] need to purchase the 4x4GB (or 2x8GB) kit.

-Wolf sends
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Wolfshadw

Wolfshadw

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I read my motherboard's manual,but with my bad English i can't understand if i can go with extra single module memory without disabling dual channel mode.
Click to expand...

If you install a 1x8GB RAM module, you will be running in Single Channel mode.

Given the current RAM compatibility issues, I would not even recommend getting a second set of 2x4GB RAM. I realize it's very expensive and outside your current budget, but your best bet would be to wait until you can afford to purchase a 2x8GB or 4x4GB RAM kit.

-Wolf sends
 
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T

takamura.ichi

Sep 15, 2018
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Thanks for replying,I get what you said now about 1x8GB module,but why can't i go with extra 2x4 kit? I think configuration #3 from Motherboard manual screenshot allows me to stay in dual channel if i install extra 2x4 kit,or does it say that i have to own one 4x4 kit and not two 2x4?

If manual says,that i can go with two 2x4 kits,what does identical mean? Same everything(brand,model) or just technical stuff like DDR type,speed,CAS,Voltage? Can i go with blue/red versions they are cheaper than mine (black one) http://
 
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Wolfshadw

Wolfshadw

Titan
Moderator
Aug 3, 2006
28,223
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The RAM compatibility issues extend to even the same RAM manufacturer and type. For instance

You have Corsair - Vengeance 8GB (2 x 4GB) DDR3-1600 Memory currently installed. You could purchase this exact same kit today and it might not be compatible with your current RAM, simply because it was manufactured at a later date.

It might work.
It might not work.
The only way to know is to try it, but if it doesn't work, that means you have to return it (probably at a loss) and [b[STILL[/b] need to purchase the 4x4GB (or 2x8GB) kit.

-Wolf sends
 
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Solution
T

takamura.ichi

Sep 15, 2018
12
0
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Thank you, i always thought that RAM was the easiest part of PC do deal with until now, it appears you have to think carefully beforehand, until you choose you RAM, because in my case i have to first get rid of old one and rebuy the whole new part for 100% safety...
 
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Wolfshadw

Wolfshadw

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Aug 3, 2006
28,223
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It used to be, that was the case. You could just mix and match with little concern for compatibility. Not so much anymore.

-Wolf sends
 
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