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Combining 2x2GB with a 4GB RAM stick

Last response: in Motherboards
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I need to upgrade my RAM. I can't find any memory kits in my country at this time so i want to go for a single 4GB ram stick.

My current specs

Intel DH55HC - http://downloadmirror.intel.com/18506/eng/DH55HC_Produc...
Core i5 760
2x2GB DDR3 1333MHz Kingston

I'm trying to get a new 4GB stick to make it 8GB. It's also kingston and the speeds are the same

Can i use the DIMM 1 slot A for this ram ? DIMM 0 A&B is with the 2GB pair
Will it run in dual channel configuration ?
Is it okey to combine 2 sizes of memory ?

My motherboard memory spec sheet says that it supports 16 GB maximum total system memory (with 2 Gb memory technology). What does that mean ?
http://www.intel.com/support/motherboards/desktop/dh55h...

Thank you in Advance

More about : combining 2x2gb 4gb ram stick

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Memory Authority
Motherboard Master

chanuka said:
Can i use the DIMM 1 slot A for this ram ? DIMM 0 A&B is with the 2GB pair

You can install that module into the DIMM, but it would not be recommended. The recommended practice is to install RAM modules in kits, such as the kit you have in DIMM 0.


chanuka said:
Will it run in dual channel configuration ?



To achieve Dual Channel mode, the following conditions must be met:

Matched DIMM configuration in each channel
Same capacity (128MB, 256MB, 512MB, etc.)
Matched in both Channel A and Channel B memory channels
OR

Populate symmetrical memory slots (Slot 0 or Slot 1)
Configurations that do not match the above conditions will revert to Single Channel mode.

The following conditions do not need to be met:
Same brand
Same timing specifications
Same DDR speed
Memory channel speed is determined by the slowest DIMM module populated in the system.

chanuka said:

Is it okey to combine 2 sizes of memory ?


You can, but you'll be limited to the lower specs of the combination.

chanuka said:

My motherboard memory spec sheet says that it supports 16 GB maximum total system memory (with 2 Gb memory technology). What does that mean ?
http://www.intel.com/support/motherboards/desktop/dh55h...

Thank you in Advance

It means that your mobo can support 4GB single sticks per slot.
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