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I am building a new PC. What resources do I use to ensure the ram I select is compatible with the motherboard I am selecting?

Currently, this is what I know. The motherboard accepts a type of ram, like DDR3 double sided. A front bus speed which is a maximum, like 1600MHz E.g. ASRock B75M-DGS R2.0 - Memory Support List

The motherboard usually has a list of manufactourers of ram that is compatible. This list included module model numbers that do not completly correlate to the ram module model numbers I am looking at, as link above.

While hunting through ram, I find that the model numbers either do not match the list above at all or they match mostly.
E.g. G.Skill Sniper 8G Kit(4Gx2) DDR3 1600 F3-12800CL9D-8GBSR
However, the memory support list says: F3-12800CL9D-8GBSR2 (extra 2 on the end).

So, how do I select ram? Do I take the memory support list as gospel; What about the partial match? Or is it as simple as being a DDR3, 1600MHz.

Additional components in case they impact the question:
Intel i3 3220
ATI HD7770

When searching for this topic on the site, I only found specific instances of if a certain ram was compatible with a certain motherboard. Not a generic question such as this. Feel free to link any duplicate.

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marked as duplicate by Journeyman Geek, Tog, oKtosiTe, Kaze, Dave M Mar 18 '13 at 12:35

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

@JourneymanGeek: thank you. i will delete this question as soon as you see this comment of thanks – Valamas Mar 17 '13 at 23:17
lol, i cannot delete. Not enough rep. – Valamas Mar 17 '13 at 23:47
Don't worry, it will be closed shortly. :-) – oKtosiTe Mar 18 '13 at 10:51

My low tech way to doing this is to nearly always visit and see if they list the pc/motherboard I'm looking to buy memory for. They do list your motherboard. Quite often I buy from Crucial but even if I don't I use their info to compare specifications with other vendors.

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The choice is yours. The memory on the manufacturer page is the memory that they have tested with the board, and is ** officially** supported. ANY DDR3-1600 (in capacities up to 8GB per stick) is supposed to be supported with the ivy-bridge CPU that you have selected and in my experience works just fine.

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