Help me choose a good RAM.

Hmm, all 4 of those links are broken.

However without knowing the specs of your CPU my answer is going to be pretty general.

16GB (4 x 4GB) like you mentioned.
1600 or 1866MHz
9-9-9 timings for 1600MHz
9-10-9 timings for 1866
1.5V

Kingston, G-SKill, Corsair

Other things to keep in mind. If you have a large HSF (heatsink / fan) on your CPU, you might need low profile RAM.
 

Scarface83

Honorable
Dec 2, 2012
37
0
10,530


Got no idea. I haven't bought any of the pieces yet, but I will in a few days ... Anyway what's the worst that can happen ?
 
You won't be able to use 1 or 2 of the closest slots to your CPU because the fins on that cooler (it is massive) will block you from putting the RAM in, unless you get the low profile (link #3) heatsinks.
 

Scarface83

Honorable
Dec 2, 2012
37
0
10,530
Ahh, dammit, isn't there any way to avoid that ? I really want the RAM from the first link as more guys recommended it to me :\