So here is the thing guys I have been trying to over clock my ram now for a little while and not had any luck. I contacted Corsair ( Manufacturer ) and explained the situation and they said it maybe because I am using two 8gb kits (2x4gb modules) so a total of 16gb Corsair vengeance 1600mhz (Blue) It was suggested to actually Buy a 16gb kit(still the same amount of modules) But this time they will all be matched. Still of the same speed 1600mhz. But looking around I see that the 8gb Corsair Vengeance 1866mhz kits are quite a reasonable price. SO I guess what im asking is for some advice/opinions on what to get ? 16gb 1600mhz (2kits) Currently own. 16gb 1600mhz (1 kit) 8gb 1866mhz (1 kit) 16gb 1866mhz (2kits) I know 16gb is overkill but Its ok I like to have plenty and NO i have never used close to 16gb of ram doing what I do. Many Thanks in advance for any advice and sorry if this is in the wrong section.