1 4GB vs 2 2GB ram stick

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bbgarnett

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Apr 21, 2011
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Hello trying to work on a laptop and it has 1 4GB DDR3 PC14900 stick and was wondering if it'd be better to leave that in there or swap it with Two 2 GB DDR PC10600 sticks. the 2 2GB sticks are the same brand and were pulled from a working laptop that got upgraded to 8GB ram. Also, I'd assume it not be a good idea to pair one of the 2GB sticks with the 4GB stick due to potential instability issues right?

Thanks for any input you can provide.
 
Joined
May 28, 2018
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154
There shouldn't be any problem using the 2 GB module with the 4 GB module. If you care for dual channel memory support, its best to upgrade in pairs. Also, its best to use matched speed memory modules with dual channel. In other case and everything is working, the 2 GB and 4 GB will give 6 GB of total memory. This will give more usefulness depending on how many applications the user has opened or how many tabs are being used in a web browser. The instability is the difference in speed of the 4 GB and 2 GB memory modules. If the notebook computer doesn't have a good BIOS/UEFI for you to manually enter the speed to what the BIOS detects. The 2 GB module will be over-clocked to order to keep up the speed of the 4 GB. This all depends on the BIOS whatever it detected first upon boot up. However, if you are working on the notebook because it has a problem, don't upgrade any part.
 

bbgarnett

Thread Starter
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Apr 21, 2011
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363
OK, the laptop is some cheap HP flyer thing that was purchased from Walmart like 2 years ago for like 250 bucks and my brother now owns it. He said the person who had it before wiped it for him but didn't know what they were doing so now windows is all bugged out like nothing works correctly and it seems to be missing some Windows files as the Microsoft store doesn't work among other things that give errors. So I am just trying to wipe it again and get windows 10 installed correctly on there. The 4GB memory stick is DDR3 PC 14900 and the two 2 GB sticks are DDR3 PC10600 so I am assuming it won't have that great of Bios support to adjust timings and so on. So then would this laptop see more benefit if I switched out the 1 4GB stick with the matched pair of 2GB sticks that I have? My brother lives far away and is only here for like 2 days so I don't have much time to work on it. I'd also add an SSD in it but this laptop makes you take apart the bottom and the keyboard among other things just to access the hard drive. The Ram though is just two screws on the bottom and pop out the panel so much easier and quicker to access.
 

Oddba11

Jim
Joined
May 12, 2011
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8,328
Use a site such as crucial.com to lookup the laptop. They will list which type/speed RAM is supported and whether you can use single sticks or pairs.
 
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