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Windows 7: How do I know the exact RAM module for upgrade.

07 Dec 2012   #1
IamLEGEND

Windows 7 SP1 Ultimate x64
 
 
How do I know the exact RAM module for upgrade.

Hi to all seven forum.
please guide me on this issue. I have a dell inspiron 14 n4050. and it had 2gb ddr3 ram. and I want to upgrade the ram to 4gb. but here is a little confusion. some system information softwares shows that the ram installed on this pc is 667mhz bus. and I want to upgrade the 4gb ram of 1333mhz. I attached those softwares snapshot, check them and guide me that is it really 667mhz or what.? if this is 667mhz then another 1333mhz 2gb ram would not compatible with it and I must purchased the exact same bus ram, either 4gb single or pair of 2gb with exact model and bus.
also tell me the ram model that which model is installed on this laptop.

-ram.jpg

-ram2.jpg





My System SpecsSystem Spec
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07 Dec 2012   #2
Pauly

Win7 Ultimate X64
 
 

If unsure you can unscrew side panel of machine and there should be a sticker on ram module(s) stating make model speed etc you shouldnt need to remove the ram to see sticker
My System SpecsSystem Spec
07 Dec 2012   #3
IamLEGEND

Windows 7 SP1 Ultimate x64
 
 

for avoid opening the laptop, that's why I post snapshot here, see them,,
also any software told me the ram model is PC-3 10700, but a online hardware scan tell me that this is 10600. what the hack is this.?
online hardware scan suggested ram.


Name:  01.jpg
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Size:  89.7 KB

cpu z info

Name:  02.jpg
Views: 4
Size:  57.2 KB


My System SpecsSystem Spec
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07 Dec 2012   #4
IamLEGEND

Windows 7 SP1 Ultimate x64
 
 

also tell me that 2x2gb ram better or single 4gb is best..
My System SpecsSystem Spec
07 Dec 2012   #5
TVeblen

Microsoft Community Contributor Award Recipient

Windows 7 64 Bit Home Premium SP1
 
 

A common confusion. DDR stands for "Double Data Rate" and simply it means that the stick runs at twice the rate of the chips on the stick. The chips run at 667MHz, double that and you get 1333MHz.

The important spec is the 1.5v. Be sure your second stick is 1.5v also. PC3-10600, 1.5v.

For dual channel systems there is no real advantage to one stick over 2.
My System SpecsSystem Spec
07 Dec 2012   #6
TVeblen

Microsoft Community Contributor Award Recipient

Windows 7 64 Bit Home Premium SP1
 
 

As for the PC3-10600, 10666, 10700 confusion:


Attached Thumbnails
-capture.png  
My System SpecsSystem Spec
07 Dec 2012   #7
kingscurate

win 7 home premium 64 bit
 
 

Far easier to open laptop, look what it says on ram. Dont be scared
My System SpecsSystem Spec
07 Dec 2012   #8
IamLEGEND

Windows 7 SP1 Ultimate x64
 
 

very informative, thanks.
now, I had Hyundai Electronics 2gb DDR3 667mhz PC310-700 RAM. so now, if I purchased 2gb DDR3 ram PC310-700 1.5v of Kingston, corsair or samsung, (because only these manufacturer available here) is it compatible and perform full DDR3 bus which is 1333.?
My System SpecsSystem Spec
07 Dec 2012   #9
TVeblen

Microsoft Community Contributor Award Recipient

Windows 7 64 Bit Home Premium SP1
 
 

Yes, it should be. I have added DDR3 RAM to a few laptops using a different brand then the one in the machine without any problems, and I test them with Memtest afterward extensively (7-8 passes).

As long as the chip speed and voltage match, laptops do not seem to have as many problems as desktops in this respect.

(Note: I edited my post above and used the more common PC3-10600 name to avoid confusion for others. CPU-z rounds to 10700, but no one sells 10700!)
My System SpecsSystem Spec
07 Dec 2012   #10
IamLEGEND

Windows 7 SP1 Ultimate x64
 
 

thanks TVeblen, very nice info you share with us, also you save some of my money. coz someone told me that my ram is 667mhz, not 1333, and I going to buy 4gb ram of exact 1333, and pc hardware shop owner did not replace 4gb with my 2gb ram. but now I got the theory, thanks again..
My System SpecsSystem Spec
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 How do I know the exact RAM module for upgrade.




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