Is combining 1gb stick with 2 4gb sticks can cause harm to the computer?

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Kobi Avrami

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Aug 4, 2017
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I want to get additional 8gb of ram to my rig, which now has 2 4GB 2133mhz DDR4.
I got a bargain on Corsair 8GB Kit (1x 8GB) 2133 MHz CL15 288-Pin DIMM DDR4 RAM Memory (CMV8GX4M1A2133C15) from a friend who isnt using it, and can give it to me real cheap.
Should I go for it? can it cause harm?
I mainly just game, I don't do any video editing or content creating etc...just gaming on 1440p with sometimes browsing and downloading stuff on the background.
Thank!
 
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A


I doubt it will work "out of the box". Their timings are different. If you can get to your BIOS and change ithe timings it might work.

After you install them but before you turn it on I do recommend a CMOS reset. Leave PC unplugged and remove the CMOS...
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aquielisunari

Judicious
Mar 31, 2011
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All I can offer is a maybe. It won't harm it. On a side note, do they both have a CL of 15? Usually adding identical RAM won't cause any issue. The problem is that they weren't sold in a kit. There is a possibility it won't work. 95% of the time it will be fine. The other 5% end up here and at other tech. forums asking us why.
 
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Lutfij

Lutfij

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Oct 7, 2009
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Please list your system's specs like so:
CPU:
Motherboard:
Ram:
SSD/HDD:
GPU:
PSU:
Chassis:
OS:

If you must upgrade your ram, you should go for a kit that comes from the factory, binned and matched to run in tandem. Using single sticks of rams to make it seem like it's s kit often produce instability issues. It's bad practice to mix and match ram sticks.
 
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K

Kobi Avrami

Prominent
Aug 4, 2017
11
0
510
CPU: intel i7-6700 (non k)
Motherboard: GA-H170 gigabyte
Ram: ADATA XPG Z1 DDR4 2400MHz (PC4 19200) 8GB (4GBx2) Memory Modules, Red (AX4U2400W4G16-DRZ) -- runs just on 2133 because of the motherboard who cant support for more
SSD/HDD: ssd evo 750 250gb
GPU: gtx 1070 g1 gaming
PSU: thermaltake toughpower 650w fully modular
Chassis:k282
OS: windows 10

I will connect his ram to my computer and check if it runs well. any tests you guys recommend to do while I plug in the ram?
 
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A

aquielisunari

Judicious
Mar 31, 2011
6,499
14
33,015


I doubt it will work "out of the box". Their timings are different. If you can get to your BIOS and change ithe timings it might work.

After you install them but before you turn it on I do recommend a CMOS reset. Leave PC unplugged and remove the CMOS battery. Plug in and turn on. Turn it off. Unplug and replace battery.

Test? Memtest86 https://www.memtest86.com/

Windows 10 also has an integrated memory test https://technet.microsoft.com/en-us/library/ff700221.aspx.
 
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